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 /* GIO - GLib Input, Output and Streaming Library
  *
  * Copyright (C) 2006-2007 Red Hat, Inc.
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General
  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  *
  * Author: Alexander Larsson <alexl@redhat.com>
  */
 
 #ifndef __GIO_ENUMS_H__
 #define __GIO_ENUMS_H__
 
 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
 #error "Only <gio/gio.h> can be included directly."
 #endif
 
 #include <glib-object.h>
 #include <gio/gio-visibility.h>
 
 G_BEGIN_DECLS
 
 
 /**
  * GAppInfoCreateFlags:
  * @G_APP_INFO_CREATE_NONE: No flags.
  * @G_APP_INFO_CREATE_NEEDS_TERMINAL: Application opens in a terminal window.
  * @G_APP_INFO_CREATE_SUPPORTS_URIS: Application supports URI arguments.
  * @G_APP_INFO_CREATE_SUPPORTS_STARTUP_NOTIFICATION: Application supports startup notification. Since 2.26
  *
  * Flags used when creating a #GAppInfo.
  */
 typedef enum {
   G_APP_INFO_CREATE_NONE                           = 0,         /*< nick=none >*/
   G_APP_INFO_CREATE_NEEDS_TERMINAL                 = (1 << 0),  /*< nick=needs-terminal >*/
   G_APP_INFO_CREATE_SUPPORTS_URIS                  = (1 << 1),  /*< nick=supports-uris >*/
   G_APP_INFO_CREATE_SUPPORTS_STARTUP_NOTIFICATION  = (1 << 2)   /*< nick=supports-startup-notification >*/
 } G_GNUC_FLAG_ENUM GAppInfoCreateFlags;
 
 /**
  * GConverterFlags:
  * @G_CONVERTER_NO_FLAGS: No flags.
  * @G_CONVERTER_INPUT_AT_END: At end of input data
  * @G_CONVERTER_FLUSH: Flush data
  *
  * Flags used when calling a g_converter_convert().
  *
  * Since: 2.24
  */
 typedef enum {
   G_CONVERTER_NO_FLAGS     = 0,         /*< nick=none >*/
   G_CONVERTER_INPUT_AT_END = (1 << 0),  /*< nick=input-at-end >*/
   G_CONVERTER_FLUSH        = (1 << 1)   /*< nick=flush >*/
 } G_GNUC_FLAG_ENUM GConverterFlags;
 
 /**
  * GConverterResult:
  * @G_CONVERTER_ERROR: There was an error during conversion.
  * @G_CONVERTER_CONVERTED: Some data was consumed or produced
  * @G_CONVERTER_FINISHED: The conversion is finished
  * @G_CONVERTER_FLUSHED: Flushing is finished
  *
  * Results returned from g_converter_convert().
  *
  * Since: 2.24
  */
 typedef enum {
   G_CONVERTER_ERROR     = 0,  /*< nick=error >*/
   G_CONVERTER_CONVERTED = 1,  /*< nick=converted >*/
   G_CONVERTER_FINISHED  = 2,  /*< nick=finished >*/
   G_CONVERTER_FLUSHED   = 3   /*< nick=flushed >*/
 } GConverterResult;
 
 
 /**
  * GDataStreamByteOrder:
  * @G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN: Selects Big Endian byte order.
  * @G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN: Selects Little Endian byte order.
  * @G_DATA_STREAM_BYTE_ORDER_HOST_ENDIAN: Selects endianness based on host machine's architecture.
  *
  * #GDataStreamByteOrder is used to ensure proper endianness of streaming data sources
  * across various machine architectures.
  *
  **/
 typedef enum {
   G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN,
   G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN,
   G_DATA_STREAM_BYTE_ORDER_HOST_ENDIAN
 } GDataStreamByteOrder;
 
 
 /**
  * GDataStreamNewlineType:
  * @G_DATA_STREAM_NEWLINE_TYPE_LF: Selects "LF" line endings, common on most modern UNIX platforms.
  * @G_DATA_STREAM_NEWLINE_TYPE_CR: Selects "CR" line endings.
  * @G_DATA_STREAM_NEWLINE_TYPE_CR_LF: Selects "CR, LF" line ending, common on Microsoft Windows.
  * @G_DATA_STREAM_NEWLINE_TYPE_ANY: Automatically try to handle any line ending type.
  *
  * #GDataStreamNewlineType is used when checking for or setting the line endings for a given file.
  **/
 typedef enum {
   G_DATA_STREAM_NEWLINE_TYPE_LF,
   G_DATA_STREAM_NEWLINE_TYPE_CR,
   G_DATA_STREAM_NEWLINE_TYPE_CR_LF,
   G_DATA_STREAM_NEWLINE_TYPE_ANY
 } GDataStreamNewlineType;
 
 
 /**
  * GFileAttributeType:
  * @G_FILE_ATTRIBUTE_TYPE_INVALID: indicates an invalid or uninitialized type.
  * @G_FILE_ATTRIBUTE_TYPE_STRING: a null terminated UTF8 string.
  * @G_FILE_ATTRIBUTE_TYPE_BYTE_STRING: a zero terminated string of non-zero bytes.
  * @G_FILE_ATTRIBUTE_TYPE_BOOLEAN: a boolean value.
  * @G_FILE_ATTRIBUTE_TYPE_UINT32: an unsigned 4-byte/32-bit integer.
  * @G_FILE_ATTRIBUTE_TYPE_INT32: a signed 4-byte/32-bit integer.
  * @G_FILE_ATTRIBUTE_TYPE_UINT64: an unsigned 8-byte/64-bit integer.
  * @G_FILE_ATTRIBUTE_TYPE_INT64: a signed 8-byte/64-bit integer.
  * @G_FILE_ATTRIBUTE_TYPE_OBJECT: a #GObject.
  * @G_FILE_ATTRIBUTE_TYPE_STRINGV: a %NULL terminated char **. Since 2.22
  *
  * The data types for file attributes.
  **/
 typedef enum {
   G_FILE_ATTRIBUTE_TYPE_INVALID = 0,
   G_FILE_ATTRIBUTE_TYPE_STRING,
   G_FILE_ATTRIBUTE_TYPE_BYTE_STRING, /* zero terminated string of non-zero bytes */
   G_FILE_ATTRIBUTE_TYPE_BOOLEAN,
   G_FILE_ATTRIBUTE_TYPE_UINT32,
   G_FILE_ATTRIBUTE_TYPE_INT32,
   G_FILE_ATTRIBUTE_TYPE_UINT64,
   G_FILE_ATTRIBUTE_TYPE_INT64,
   G_FILE_ATTRIBUTE_TYPE_OBJECT,
   G_FILE_ATTRIBUTE_TYPE_STRINGV
 } GFileAttributeType;
 
 
 /**
  * GFileAttributeInfoFlags:
  * @G_FILE_ATTRIBUTE_INFO_NONE: no flags set.
  * @G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE: copy the attribute values when the file is copied.
  * @G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED: copy the attribute values when the file is moved.
  *
  * Flags specifying the behaviour of an attribute.
  **/
 typedef enum {
   G_FILE_ATTRIBUTE_INFO_NONE            = 0,
   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE  = (1 << 0),
   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED = (1 << 1)
 } G_GNUC_FLAG_ENUM GFileAttributeInfoFlags;
 
 
 /**
  * GFileAttributeStatus:
  * @G_FILE_ATTRIBUTE_STATUS_UNSET: Attribute value is unset (empty).
  * @G_FILE_ATTRIBUTE_STATUS_SET: Attribute value is set.
  * @G_FILE_ATTRIBUTE_STATUS_ERROR_SETTING: Indicates an error in setting the value.
  *
  * Used by g_file_set_attributes_from_info() when setting file attributes.
  **/
 typedef enum {
   G_FILE_ATTRIBUTE_STATUS_UNSET = 0,
   G_FILE_ATTRIBUTE_STATUS_SET,
   G_FILE_ATTRIBUTE_STATUS_ERROR_SETTING
 } GFileAttributeStatus;
 
 
 /**
  * GFileQueryInfoFlags:
  * @G_FILE_QUERY_INFO_NONE: No flags set.
  * @G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS: Don't follow symlinks.
  *
  * Flags used when querying a #GFileInfo.
  */
 typedef enum {
   G_FILE_QUERY_INFO_NONE              = 0,
   G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS = (1 << 0)   /*< nick=nofollow-symlinks >*/
 } G_GNUC_FLAG_ENUM GFileQueryInfoFlags;
 
 
 /**
  * GFileCreateFlags:
  * @G_FILE_CREATE_NONE: No flags set.
  * @G_FILE_CREATE_PRIVATE: Create a file that can only be
  *    accessed by the current user.
  * @G_FILE_CREATE_REPLACE_DESTINATION: Replace the destination
  *    as if it didn't exist before. Don't try to keep any old
  *    permissions, replace instead of following links. This
  *    is generally useful if you're doing a "copy over"
  *    rather than a "save new version of" replace operation.
  *    You can think of it as "unlink destination" before
  *    writing to it, although the implementation may not
  *    be exactly like that. This flag can only be used with
  *    g_file_replace() and its variants, including g_file_replace_contents().
  *    Since 2.20
  *
  * Flags used when an operation may create a file.
  */
 typedef enum {
   G_FILE_CREATE_NONE    = 0,
   G_FILE_CREATE_PRIVATE = (1 << 0),
   G_FILE_CREATE_REPLACE_DESTINATION = (1 << 1)
 } G_GNUC_FLAG_ENUM GFileCreateFlags;
 
 /**
  * GFileMeasureFlags:
  * @G_FILE_MEASURE_NONE: No flags set.
  * @G_FILE_MEASURE_REPORT_ANY_ERROR: Report any error encountered
  *   while traversing the directory tree.  Normally errors are only
  *   reported for the toplevel file.
  * @G_FILE_MEASURE_APPARENT_SIZE: Tally usage based on apparent file
  *   sizes.  Normally, the block-size is used, if available, as this is a
  *   more accurate representation of disk space used.
  *   Compare with `du --apparent-size`.
  *   Since GLib 2.78. and similarly to `du` since GNU Coreutils 9.2, this will
  *   ignore the sizes of file types other than regular files and links, as the
  *   sizes of other file types are not specified in a standard way.
  * @G_FILE_MEASURE_NO_XDEV: Do not cross mount point boundaries.
  *   Compare with `du -x`.
  *
  * Flags that can be used with g_file_measure_disk_usage().
  *
  * Since: 2.38
  **/
 typedef enum {
   G_FILE_MEASURE_NONE                 = 0,
   G_FILE_MEASURE_REPORT_ANY_ERROR     = (1 << 1),
   G_FILE_MEASURE_APPARENT_SIZE        = (1 << 2),
   G_FILE_MEASURE_NO_XDEV              = (1 << 3)
 } G_GNUC_FLAG_ENUM GFileMeasureFlags;
 
 /**
  * GMountMountFlags:
  * @G_MOUNT_MOUNT_NONE: No flags set.
  *
  * Flags used when mounting a mount.
  */
 typedef enum /*< flags >*/ {
   G_MOUNT_MOUNT_NONE = 0
 } G_GNUC_FLAG_ENUM GMountMountFlags;
 
 
 /**
  * GMountUnmountFlags:
  * @G_MOUNT_UNMOUNT_NONE: No flags set.
  * @G_MOUNT_UNMOUNT_FORCE: Unmount even if there are outstanding
  *  file operations on the mount.
  *
  * Flags used when an unmounting a mount.
  */
 typedef enum {
   G_MOUNT_UNMOUNT_NONE  = 0,
   G_MOUNT_UNMOUNT_FORCE = (1 << 0)
 } G_GNUC_FLAG_ENUM GMountUnmountFlags;
 
 /**
  * GDriveStartFlags:
  * @G_DRIVE_START_NONE: No flags set.
  *
  * Flags used when starting a drive.
  *
  * Since: 2.22
  */
 typedef enum /*< flags >*/ {
   G_DRIVE_START_NONE = 0
 } G_GNUC_FLAG_ENUM GDriveStartFlags;
 
 /**
  * GDriveStartStopType:
  * @G_DRIVE_START_STOP_TYPE_UNKNOWN: Unknown or drive doesn't support
  *    start/stop.
  * @G_DRIVE_START_STOP_TYPE_SHUTDOWN: The stop method will physically
  *    shut down the drive and e.g. power down the port the drive is
  *    attached to.
  * @G_DRIVE_START_STOP_TYPE_NETWORK: The start/stop methods are used
  *    for connecting/disconnect to the drive over the network.
  * @G_DRIVE_START_STOP_TYPE_MULTIDISK: The start/stop methods will
  *    assemble/disassemble a virtual drive from several physical
  *    drives.
  * @G_DRIVE_START_STOP_TYPE_PASSWORD: The start/stop methods will
  *    unlock/lock the disk (for example using the ATA `SECURITY UNLOCK
  *    DEVICE` command)
  *
  * Enumeration describing how a drive can be started/stopped.
  *
  * Since: 2.22
  */
 typedef enum {
   G_DRIVE_START_STOP_TYPE_UNKNOWN,
   G_DRIVE_START_STOP_TYPE_SHUTDOWN,
   G_DRIVE_START_STOP_TYPE_NETWORK,
   G_DRIVE_START_STOP_TYPE_MULTIDISK,
   G_DRIVE_START_STOP_TYPE_PASSWORD
 } GDriveStartStopType;
 
 /**
  * GFileCopyFlags:
  * @G_FILE_COPY_NONE: No flags set.
  * @G_FILE_COPY_OVERWRITE: Overwrite any existing files
  * @G_FILE_COPY_BACKUP: Make a backup of any existing files.
  * @G_FILE_COPY_NOFOLLOW_SYMLINKS: Don't follow symlinks.
  * @G_FILE_COPY_ALL_METADATA: Copy all file metadata instead of just default set used for copy (see #GFileInfo).
  * @G_FILE_COPY_NO_FALLBACK_FOR_MOVE: Don't use copy and delete fallback if native move not supported.
  * @G_FILE_COPY_TARGET_DEFAULT_PERMS: Leaves target file with default perms, instead of setting the source file perms.
  * @G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME: Use default modification
  *     timestamps instead of copying them from the source file. Since 2.80
  *
  * Flags used when copying or moving files.
  */
 typedef enum {
   G_FILE_COPY_NONE                 = 0,          /*< nick=none >*/
   G_FILE_COPY_OVERWRITE            = (1 << 0),
   G_FILE_COPY_BACKUP               = (1 << 1),
   G_FILE_COPY_NOFOLLOW_SYMLINKS    = (1 << 2),
   G_FILE_COPY_ALL_METADATA         = (1 << 3),
   G_FILE_COPY_NO_FALLBACK_FOR_MOVE = (1 << 4),
   G_FILE_COPY_TARGET_DEFAULT_PERMS = (1 << 5),
   G_FILE_COPY_TARGET_DEFAULT_MODIFIED_TIME GIO_AVAILABLE_ENUMERATOR_IN_2_80 = (1 << 6),
 } G_GNUC_FLAG_ENUM GFileCopyFlags;
 
 
 /**
  * GFileMonitorFlags:
  * @G_FILE_MONITOR_NONE: No flags set.
  * @G_FILE_MONITOR_WATCH_MOUNTS: Watch for mount events.
  * @G_FILE_MONITOR_SEND_MOVED: Pair DELETED and CREATED events caused
  *   by file renames (moves) and send a single G_FILE_MONITOR_EVENT_MOVED
  *   event instead (NB: not supported on all backends; the default
  *   behaviour -without specifying this flag- is to send single DELETED
  *   and CREATED events).  Deprecated since 2.46: use
  *   %G_FILE_MONITOR_WATCH_MOVES instead.
  * @G_FILE_MONITOR_WATCH_HARD_LINKS: Watch for changes to the file made
  *   via another hard link. Since 2.36.
  * @G_FILE_MONITOR_WATCH_MOVES: Watch for rename operations on a
  *   monitored directory.  This causes %G_FILE_MONITOR_EVENT_RENAMED,
  *   %G_FILE_MONITOR_EVENT_MOVED_IN and %G_FILE_MONITOR_EVENT_MOVED_OUT
  *   events to be emitted when possible.  Since: 2.46.
  *
  * Flags used to set what a #GFileMonitor will watch for.
  */
 typedef enum {
   G_FILE_MONITOR_NONE             = 0,
   G_FILE_MONITOR_WATCH_MOUNTS     = (1 << 0),
   G_FILE_MONITOR_SEND_MOVED       = (1 << 1),
   G_FILE_MONITOR_WATCH_HARD_LINKS = (1 << 2),
   G_FILE_MONITOR_WATCH_MOVES      = (1 << 3)
 } G_GNUC_FLAG_ENUM GFileMonitorFlags;
 
 
 /**
  * GFileType:
  * @G_FILE_TYPE_UNKNOWN: File's type is unknown.
  * @G_FILE_TYPE_REGULAR: File handle represents a regular file.
  * @G_FILE_TYPE_DIRECTORY: File handle represents a directory.
  * @G_FILE_TYPE_SYMBOLIC_LINK: File handle represents a symbolic link
  *    (Unix systems).
  * @G_FILE_TYPE_SPECIAL: File is a "special" file, such as a socket, fifo,
  *    block device, or character device.
  * @G_FILE_TYPE_SHORTCUT: File is a shortcut (Windows systems).
  * @G_FILE_TYPE_MOUNTABLE: File is a mountable location.
  *
  * Indicates the file's on-disk type.
  *
  * On Windows systems a file will never have %G_FILE_TYPE_SYMBOLIC_LINK type;
  * use #GFileInfo and %G_FILE_ATTRIBUTE_STANDARD_IS_SYMLINK to determine
  * whether a file is a symlink or not. This is due to the fact that NTFS does
  * not have a single filesystem object type for symbolic links - it has
  * files that symlink to files, and directories that symlink to directories.
  * #GFileType enumeration cannot precisely represent this important distinction,
  * which is why all Windows symlinks will continue to be reported as
  * %G_FILE_TYPE_REGULAR or %G_FILE_TYPE_DIRECTORY.
  **/
 typedef enum {
   G_FILE_TYPE_UNKNOWN = 0,
   G_FILE_TYPE_REGULAR,
   G_FILE_TYPE_DIRECTORY,
   G_FILE_TYPE_SYMBOLIC_LINK,
   G_FILE_TYPE_SPECIAL, /* socket, fifo, blockdev, chardev */
   G_FILE_TYPE_SHORTCUT,
   G_FILE_TYPE_MOUNTABLE
 } GFileType;
 
 
 /**
  * GFilesystemPreviewType:
  * @G_FILESYSTEM_PREVIEW_TYPE_IF_ALWAYS: Only preview files if user has explicitly requested it.
  * @G_FILESYSTEM_PREVIEW_TYPE_IF_LOCAL: Preview files if user has requested preview of "local" files.
  * @G_FILESYSTEM_PREVIEW_TYPE_NEVER: Never preview files.
  *
  * Indicates a hint from the file system whether files should be
  * previewed in a file manager. Returned as the value of the key
  * %G_FILE_ATTRIBUTE_FILESYSTEM_USE_PREVIEW.
  **/
 typedef enum {
   G_FILESYSTEM_PREVIEW_TYPE_IF_ALWAYS = 0,
   G_FILESYSTEM_PREVIEW_TYPE_IF_LOCAL,
   G_FILESYSTEM_PREVIEW_TYPE_NEVER
 } GFilesystemPreviewType;
 
 
 /**
  * GFileMonitorEvent:
  * @G_FILE_MONITOR_EVENT_CHANGED: a file changed.
  * @G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT: a hint that this was probably the last change in a set of changes.
  * @G_FILE_MONITOR_EVENT_DELETED: a file was deleted.
  * @G_FILE_MONITOR_EVENT_CREATED: a file was created.
  * @G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED: a file attribute was changed.
  * @G_FILE_MONITOR_EVENT_PRE_UNMOUNT: the file location will soon be unmounted.
  * @G_FILE_MONITOR_EVENT_UNMOUNTED: the file location was unmounted.
  * @G_FILE_MONITOR_EVENT_MOVED: the file was moved -- only sent if the
  *   (deprecated) %G_FILE_MONITOR_SEND_MOVED flag is set
  * @G_FILE_MONITOR_EVENT_RENAMED: the file was renamed within the
  *   current directory -- only sent if the %G_FILE_MONITOR_WATCH_MOVES
  *   flag is set.  Since: 2.46.
  * @G_FILE_MONITOR_EVENT_MOVED_IN: the file was moved into the
  *   monitored directory from another location -- only sent if the
  *   %G_FILE_MONITOR_WATCH_MOVES flag is set.  Since: 2.46.
  * @G_FILE_MONITOR_EVENT_MOVED_OUT: the file was moved out of the
  *   monitored directory to another location -- only sent if the
  *   %G_FILE_MONITOR_WATCH_MOVES flag is set.  Since: 2.46
  *
  * Specifies what type of event a monitor event is.
  **/
 typedef enum {
   G_FILE_MONITOR_EVENT_CHANGED,
   G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT,
   G_FILE_MONITOR_EVENT_DELETED,
   G_FILE_MONITOR_EVENT_CREATED,
   G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED,
   G_FILE_MONITOR_EVENT_PRE_UNMOUNT,
   G_FILE_MONITOR_EVENT_UNMOUNTED,
   G_FILE_MONITOR_EVENT_MOVED,
   G_FILE_MONITOR_EVENT_RENAMED,
   G_FILE_MONITOR_EVENT_MOVED_IN,
   G_FILE_MONITOR_EVENT_MOVED_OUT
 } GFileMonitorEvent;
 
 
 /* This enumeration conflicts with GIOError in giochannel.h. However,
  * that is only used as a return value in some deprecated functions.
  * So, we reuse the same prefix for the enumeration values, but call
  * the actual enumeration (which is rarely used) GIOErrorEnum.
  */
 /**
  * GIOErrorEnum:
  * @G_IO_ERROR_FAILED: Generic error condition for when an operation fails
  *     and no more specific #GIOErrorEnum value is defined.
  * @G_IO_ERROR_NOT_FOUND: File not found.
  * @G_IO_ERROR_EXISTS: File already exists.
  * @G_IO_ERROR_IS_DIRECTORY: File is a directory.
  * @G_IO_ERROR_NOT_DIRECTORY: File is not a directory.
  * @G_IO_ERROR_NOT_EMPTY: File is a directory that isn't empty.
  * @G_IO_ERROR_NOT_REGULAR_FILE: File is not a regular file.
  * @G_IO_ERROR_NOT_SYMBOLIC_LINK: File is not a symbolic link.
  * @G_IO_ERROR_NOT_MOUNTABLE_FILE: File cannot be mounted.
  * @G_IO_ERROR_FILENAME_TOO_LONG: Filename is too many characters.
  * @G_IO_ERROR_INVALID_FILENAME: Filename is invalid or contains invalid characters.
  * @G_IO_ERROR_TOO_MANY_LINKS: File contains too many symbolic links.
  * @G_IO_ERROR_NO_SPACE: No space left on drive.
  * @G_IO_ERROR_INVALID_ARGUMENT: Invalid argument.
  * @G_IO_ERROR_PERMISSION_DENIED: Permission denied.
  * @G_IO_ERROR_NOT_SUPPORTED: Operation (or one of its parameters) not supported
  * @G_IO_ERROR_NOT_MOUNTED: File isn't mounted.
  * @G_IO_ERROR_ALREADY_MOUNTED: File is already mounted.
  * @G_IO_ERROR_CLOSED: File was closed.
  * @G_IO_ERROR_CANCELLED: Operation was cancelled. See #GCancellable.
  * @G_IO_ERROR_PENDING: Operations are still pending.
  * @G_IO_ERROR_READ_ONLY: File is read only.
  * @G_IO_ERROR_CANT_CREATE_BACKUP: Backup couldn't be created.
  * @G_IO_ERROR_WRONG_ETAG: File's Entity Tag was incorrect.
  * @G_IO_ERROR_TIMED_OUT: Operation timed out.
  * @G_IO_ERROR_WOULD_RECURSE: Operation would be recursive.
  * @G_IO_ERROR_BUSY: File is busy.
  * @G_IO_ERROR_WOULD_BLOCK: Operation would block.
  * @G_IO_ERROR_HOST_NOT_FOUND: Host couldn't be found (remote operations).
  * @G_IO_ERROR_WOULD_MERGE: Operation would merge files.
  * @G_IO_ERROR_FAILED_HANDLED: Operation failed and a helper program has
  *     already interacted with the user. Do not display any error dialog.
  * @G_IO_ERROR_TOO_MANY_OPEN_FILES: The current process has too many files
  *     open and can't open any more. Duplicate descriptors do count toward
  *     this limit. Since 2.20
  * @G_IO_ERROR_NOT_INITIALIZED: The object has not been initialized. Since 2.22
  * @G_IO_ERROR_ADDRESS_IN_USE: The requested address is already in use. Since 2.22
  * @G_IO_ERROR_PARTIAL_INPUT: Need more input to finish operation. Since 2.24
  * @G_IO_ERROR_INVALID_DATA: The input data was invalid. Since 2.24
  * @G_IO_ERROR_DBUS_ERROR: A remote object generated an error that
  *     doesn't correspond to a locally registered #GError error
  *     domain. Use g_dbus_error_get_remote_error() to extract the D-Bus
  *     error name and g_dbus_error_strip_remote_error() to fix up the
  *     message so it matches what was received on the wire. Since 2.26.
  * @G_IO_ERROR_HOST_UNREACHABLE: Host unreachable. Since 2.26
  * @G_IO_ERROR_NETWORK_UNREACHABLE: Network unreachable. Since 2.26
  * @G_IO_ERROR_CONNECTION_REFUSED: Connection refused. Since 2.26
  * @G_IO_ERROR_PROXY_FAILED: Connection to proxy server failed. Since 2.26
  * @G_IO_ERROR_PROXY_AUTH_FAILED: Proxy authentication failed. Since 2.26
  * @G_IO_ERROR_PROXY_NEED_AUTH: Proxy server needs authentication. Since 2.26
  * @G_IO_ERROR_PROXY_NOT_ALLOWED: Proxy connection is not allowed by ruleset.
  *     Since 2.26
  * @G_IO_ERROR_BROKEN_PIPE: Broken pipe. Since 2.36
  * @G_IO_ERROR_CONNECTION_CLOSED: Connection closed by peer. Note that this
  *     is the same code as %G_IO_ERROR_BROKEN_PIPE; before 2.44 some
  *     "connection closed" errors returned %G_IO_ERROR_BROKEN_PIPE, but others
  *     returned %G_IO_ERROR_FAILED. Now they should all return the same
  *     value, which has this more logical name. Since 2.44.
  * @G_IO_ERROR_NOT_CONNECTED: Transport endpoint is not connected. Since 2.44
  * @G_IO_ERROR_MESSAGE_TOO_LARGE: Message too large. Since 2.48.
  * @G_IO_ERROR_NO_SUCH_DEVICE: No such device found. Since 2.74
  * @G_IO_ERROR_DESTINATION_UNSET: Destination address unset. Since 2.80
  *
  * Error codes returned by GIO functions.
  *
  * Note that this domain may be extended in future GLib releases. In
  * general, new error codes either only apply to new APIs, or else
  * replace %G_IO_ERROR_FAILED in cases that were not explicitly
  * distinguished before. You should therefore avoid writing code like
  * |[<!-- language="C" -->
  * if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_FAILED))
  *   {
  *     // Assume that this is EPRINTERONFIRE
  *     ...
  *   }
  * ]|
  * but should instead treat all unrecognized error codes the same as
  * %G_IO_ERROR_FAILED.
  *
  * See also #GPollableReturn for a cheaper way of returning
  * %G_IO_ERROR_WOULD_BLOCK to callers without allocating a #GError.
  **/
 typedef enum {
   G_IO_ERROR_FAILED,
   G_IO_ERROR_NOT_FOUND,
   G_IO_ERROR_EXISTS,
   G_IO_ERROR_IS_DIRECTORY,
   G_IO_ERROR_NOT_DIRECTORY,
   G_IO_ERROR_NOT_EMPTY,
   G_IO_ERROR_NOT_REGULAR_FILE,
   G_IO_ERROR_NOT_SYMBOLIC_LINK,
   G_IO_ERROR_NOT_MOUNTABLE_FILE,
   G_IO_ERROR_FILENAME_TOO_LONG,
   G_IO_ERROR_INVALID_FILENAME,
   G_IO_ERROR_TOO_MANY_LINKS,
   G_IO_ERROR_NO_SPACE,
   G_IO_ERROR_INVALID_ARGUMENT,
   G_IO_ERROR_PERMISSION_DENIED,
   G_IO_ERROR_NOT_SUPPORTED,
   G_IO_ERROR_NOT_MOUNTED,
   G_IO_ERROR_ALREADY_MOUNTED,
   G_IO_ERROR_CLOSED,
   G_IO_ERROR_CANCELLED,
   G_IO_ERROR_PENDING,
   G_IO_ERROR_READ_ONLY,
   G_IO_ERROR_CANT_CREATE_BACKUP,
   G_IO_ERROR_WRONG_ETAG,
   G_IO_ERROR_TIMED_OUT,
   G_IO_ERROR_WOULD_RECURSE,
   G_IO_ERROR_BUSY,
   G_IO_ERROR_WOULD_BLOCK,
   G_IO_ERROR_HOST_NOT_FOUND,
   G_IO_ERROR_WOULD_MERGE,
   G_IO_ERROR_FAILED_HANDLED,
   G_IO_ERROR_TOO_MANY_OPEN_FILES,
   G_IO_ERROR_NOT_INITIALIZED,
   G_IO_ERROR_ADDRESS_IN_USE,
   G_IO_ERROR_PARTIAL_INPUT,
   G_IO_ERROR_INVALID_DATA,
   G_IO_ERROR_DBUS_ERROR,
   G_IO_ERROR_HOST_UNREACHABLE,
   G_IO_ERROR_NETWORK_UNREACHABLE,
   G_IO_ERROR_CONNECTION_REFUSED,
   G_IO_ERROR_PROXY_FAILED,
   G_IO_ERROR_PROXY_AUTH_FAILED,
   G_IO_ERROR_PROXY_NEED_AUTH,
   G_IO_ERROR_PROXY_NOT_ALLOWED,
   G_IO_ERROR_BROKEN_PIPE,
   G_IO_ERROR_CONNECTION_CLOSED = G_IO_ERROR_BROKEN_PIPE,
   G_IO_ERROR_NOT_CONNECTED,
   G_IO_ERROR_MESSAGE_TOO_LARGE,
   G_IO_ERROR_NO_SUCH_DEVICE GIO_AVAILABLE_ENUMERATOR_IN_2_74,
   G_IO_ERROR_DESTINATION_UNSET GIO_AVAILABLE_ENUMERATOR_IN_2_80,
 } GIOErrorEnum;
 
 
 /**
  * GAskPasswordFlags:
  * @G_ASK_PASSWORD_NEED_PASSWORD: operation requires a password.
  * @G_ASK_PASSWORD_NEED_USERNAME: operation requires a username.
  * @G_ASK_PASSWORD_NEED_DOMAIN: operation requires a domain.
  * @G_ASK_PASSWORD_SAVING_SUPPORTED: operation supports saving settings.
  * @G_ASK_PASSWORD_ANONYMOUS_SUPPORTED: operation supports anonymous users.
  * @G_ASK_PASSWORD_TCRYPT: operation takes TCRYPT parameters (Since: 2.58)
  *
  * #GAskPasswordFlags are used to request specific information from the
  * user, or to notify the user of their choices in an authentication
  * situation.
  **/
 typedef enum {
   G_ASK_PASSWORD_NEED_PASSWORD           = (1 << 0),
   G_ASK_PASSWORD_NEED_USERNAME           = (1 << 1),
   G_ASK_PASSWORD_NEED_DOMAIN             = (1 << 2),
   G_ASK_PASSWORD_SAVING_SUPPORTED        = (1 << 3),
   G_ASK_PASSWORD_ANONYMOUS_SUPPORTED     = (1 << 4),
   G_ASK_PASSWORD_TCRYPT                  = (1 << 5),
 } G_GNUC_FLAG_ENUM GAskPasswordFlags;
 
 
 /**
  * GPasswordSave:
  * @G_PASSWORD_SAVE_NEVER: never save a password.
  * @G_PASSWORD_SAVE_FOR_SESSION: save a password for the session.
  * @G_PASSWORD_SAVE_PERMANENTLY: save a password permanently.
  *
  * #GPasswordSave is used to indicate the lifespan of a saved password.
  *
  * #Gvfs stores passwords in the Gnome keyring when this flag allows it
  * to, and later retrieves it again from there.
  **/
 typedef enum {
   G_PASSWORD_SAVE_NEVER,
   G_PASSWORD_SAVE_FOR_SESSION,
   G_PASSWORD_SAVE_PERMANENTLY
 } GPasswordSave;
 
 
 /**
  * GMountOperationResult:
  * @G_MOUNT_OPERATION_HANDLED: The request was fulfilled and the
  *     user specified data is now available
  * @G_MOUNT_OPERATION_ABORTED: The user requested the mount operation
  *     to be aborted
  * @G_MOUNT_OPERATION_UNHANDLED: The request was unhandled (i.e. not
  *     implemented)
  *
  * #GMountOperationResult is returned as a result when a request for
  * information is send by the mounting operation.
  **/
 typedef enum {
   G_MOUNT_OPERATION_HANDLED,
   G_MOUNT_OPERATION_ABORTED,
   G_MOUNT_OPERATION_UNHANDLED
 } GMountOperationResult;
 
 
 /**
  * GOutputStreamSpliceFlags:
  * @G_OUTPUT_STREAM_SPLICE_NONE: Do not close either stream.
  * @G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE: Close the source stream after
  *     the splice.
  * @G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET: Close the target stream after
  *     the splice.
  *
  * GOutputStreamSpliceFlags determine how streams should be spliced.
  **/
 typedef enum {
   G_OUTPUT_STREAM_SPLICE_NONE         = 0,
   G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE = (1 << 0),
   G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET = (1 << 1)
 } G_GNUC_FLAG_ENUM GOutputStreamSpliceFlags;
 
 
 /**
  * GIOStreamSpliceFlags:
  * @G_IO_STREAM_SPLICE_NONE: Do not close either stream.
  * @G_IO_STREAM_SPLICE_CLOSE_STREAM1: Close the first stream after
  *     the splice.
  * @G_IO_STREAM_SPLICE_CLOSE_STREAM2: Close the second stream after
  *     the splice.
  * @G_IO_STREAM_SPLICE_WAIT_FOR_BOTH: Wait for both splice operations to finish
  *     before calling the callback.
  *
  * GIOStreamSpliceFlags determine how streams should be spliced.
  *
  * Since: 2.28
  **/
 typedef enum {
   G_IO_STREAM_SPLICE_NONE          = 0,
   G_IO_STREAM_SPLICE_CLOSE_STREAM1 = (1 << 0),
   G_IO_STREAM_SPLICE_CLOSE_STREAM2 = (1 << 1),
   G_IO_STREAM_SPLICE_WAIT_FOR_BOTH = (1 << 2)
 } G_GNUC_FLAG_ENUM GIOStreamSpliceFlags;
 
 /**
  * GEmblemOrigin:
  * @G_EMBLEM_ORIGIN_UNKNOWN: Emblem of unknown origin
  * @G_EMBLEM_ORIGIN_DEVICE: Emblem adds device-specific information
  * @G_EMBLEM_ORIGIN_LIVEMETADATA: Emblem depicts live metadata, such as "readonly"
  * @G_EMBLEM_ORIGIN_TAG: Emblem comes from a user-defined tag, e.g. set by nautilus (in the future)
  *
  * GEmblemOrigin is used to add information about the origin of the emblem
  * to #GEmblem.
  *
  * Since: 2.18
  */
 typedef enum  {
   G_EMBLEM_ORIGIN_UNKNOWN,
   G_EMBLEM_ORIGIN_DEVICE,
   G_EMBLEM_ORIGIN_LIVEMETADATA,
   G_EMBLEM_ORIGIN_TAG
 } GEmblemOrigin;
 
 /**
  * GResolverError:
  * @G_RESOLVER_ERROR_NOT_FOUND: the requested name/address/service was not
  *     found
  * @G_RESOLVER_ERROR_TEMPORARY_FAILURE: the requested information could not
  *     be looked up due to a network error or similar problem
  * @G_RESOLVER_ERROR_INTERNAL: unknown error
  *
  * An error code used with %G_RESOLVER_ERROR in a #GError returned
  * from a #GResolver routine.
  *
  * Since: 2.22
  */
 typedef enum {
   G_RESOLVER_ERROR_NOT_FOUND,
   G_RESOLVER_ERROR_TEMPORARY_FAILURE,
   G_RESOLVER_ERROR_INTERNAL
 } GResolverError;
 
 /**
  * GResolverRecordType:
  * @G_RESOLVER_RECORD_SRV: look up DNS SRV records for a domain
  * @G_RESOLVER_RECORD_MX: look up DNS MX records for a domain
  * @G_RESOLVER_RECORD_TXT: look up DNS TXT records for a name
  * @G_RESOLVER_RECORD_SOA: look up DNS SOA records for a zone
  * @G_RESOLVER_RECORD_NS: look up DNS NS records for a domain
  *
  * The type of record that g_resolver_lookup_records() or
  * g_resolver_lookup_records_async() should retrieve. The records are returned
  * as lists of #GVariant tuples. Each record type has different values in
  * the variant tuples returned.
  *
  * %G_RESOLVER_RECORD_SRV records are returned as variants with the signature
  * `(qqqs)`, containing a `guint16` with the priority, a `guint16` with the
  * weight, a `guint16` with the port, and a string of the hostname.
  *
  * %G_RESOLVER_RECORD_MX records are returned as variants with the signature
  * `(qs)`, representing a `guint16` with the preference, and a string containing
  * the mail exchanger hostname.
  *
  * %G_RESOLVER_RECORD_TXT records are returned as variants with the signature
  * `(as)`, representing an array of the strings in the text record. Note: Most TXT
  * records only contain a single string, but
  * [RFC 1035](https://tools.ietf.org/html/rfc1035#section-3.3.14) does allow a
  * record to contain multiple strings. The RFC which defines the interpretation
  * of a specific TXT record will likely require concatenation of multiple
  * strings if they are present, as with
  * [RFC 7208](https://tools.ietf.org/html/rfc7208#section-3.3).
  *
  * %G_RESOLVER_RECORD_SOA records are returned as variants with the signature
  * `(ssuuuuu)`, representing a string containing the primary name server, a
  * string containing the administrator, the serial as a `guint32`, the refresh
  * interval as a `guint32`, the retry interval as a `guint32`, the expire timeout
  * as a `guint32`, and the TTL as a `guint32`.
  *
  * %G_RESOLVER_RECORD_NS records are returned as variants with the signature
  * `(s)`, representing a string of the hostname of the name server.
  *
  * Since: 2.34
  */
 typedef enum {
   G_RESOLVER_RECORD_SRV = 1,
   G_RESOLVER_RECORD_MX,
   G_RESOLVER_RECORD_TXT,
   G_RESOLVER_RECORD_SOA,
   G_RESOLVER_RECORD_NS
 } GResolverRecordType;
 
 /**
  * GResourceError:
  * @G_RESOURCE_ERROR_NOT_FOUND: no file was found at the requested path
  * @G_RESOURCE_ERROR_INTERNAL: unknown error
  *
  * An error code used with %G_RESOURCE_ERROR in a #GError returned
  * from a #GResource routine.
  *
  * Since: 2.32
  */
 typedef enum {
   G_RESOURCE_ERROR_NOT_FOUND,
   G_RESOURCE_ERROR_INTERNAL
 } GResourceError;
 
 /**
  * GResourceFlags:
  * @G_RESOURCE_FLAGS_NONE: No flags set.
  * @G_RESOURCE_FLAGS_COMPRESSED: The file is compressed.
  *
  * GResourceFlags give information about a particular file inside a resource
  * bundle.
  * 
  * Since: 2.32
  **/
 typedef enum {
   G_RESOURCE_FLAGS_NONE       = 0,
   G_RESOURCE_FLAGS_COMPRESSED = (1<<0)
 } G_GNUC_FLAG_ENUM GResourceFlags;
 
 /**
  * GResourceLookupFlags:
  * @G_RESOURCE_LOOKUP_FLAGS_NONE: No flags set.
  *
  * GResourceLookupFlags determine how resource path lookups are handled.
  * 
  * Since: 2.32
  **/
 typedef enum /*< flags >*/ {
   G_RESOURCE_LOOKUP_FLAGS_NONE       = 0
 } G_GNUC_FLAG_ENUM GResourceLookupFlags;
 
 /**
  * GSocketFamily:
  * @G_SOCKET_FAMILY_INVALID: no address family
  * @G_SOCKET_FAMILY_IPV4: the IPv4 family
  * @G_SOCKET_FAMILY_IPV6: the IPv6 family
  * @G_SOCKET_FAMILY_UNIX: the UNIX domain family
  *
  * The protocol family of a #GSocketAddress. (These values are
  * identical to the system defines %AF_INET, %AF_INET6 and %AF_UNIX,
  * if available.)
  *
  * Since: 2.22
  */
 typedef enum {
   G_SOCKET_FAMILY_INVALID,
   G_SOCKET_FAMILY_UNIX = GLIB_SYSDEF_AF_UNIX,
   G_SOCKET_FAMILY_IPV4 = GLIB_SYSDEF_AF_INET,
   G_SOCKET_FAMILY_IPV6 = GLIB_SYSDEF_AF_INET6
 } GSocketFamily;
 
 /**
  * GSocketType:
  * @G_SOCKET_TYPE_INVALID: Type unknown or wrong
  * @G_SOCKET_TYPE_STREAM: Reliable connection-based byte streams (e.g. TCP).
  * @G_SOCKET_TYPE_DATAGRAM: Connectionless, unreliable datagram passing.
  *     (e.g. UDP)
  * @G_SOCKET_TYPE_SEQPACKET: Reliable connection-based passing of datagrams
  *     of fixed maximum length (e.g. SCTP).
  *
  * Flags used when creating a #GSocket. Some protocols may not implement
  * all the socket types.
  *
  * Since: 2.22
  */
 typedef enum
 {
   G_SOCKET_TYPE_INVALID,
   G_SOCKET_TYPE_STREAM,
   G_SOCKET_TYPE_DATAGRAM,
   G_SOCKET_TYPE_SEQPACKET
 } GSocketType;
 
 /**
  * GSocketMsgFlags:
  * @G_SOCKET_MSG_NONE: No flags.
  * @G_SOCKET_MSG_OOB: Request to send/receive out of band data.
  * @G_SOCKET_MSG_PEEK: Read data from the socket without removing it from
  *     the queue.
  * @G_SOCKET_MSG_DONTROUTE: Don't use a gateway to send out the packet,
  *     only send to hosts on directly connected networks.
  *
  * Flags used in g_socket_receive_message() and g_socket_send_message().
  * The flags listed in the enum are some commonly available flags, but the
  * values used for them are the same as on the platform, and any other flags
  * are passed in/out as is. So to use a platform specific flag, just include
  * the right system header and pass in the flag.
  *
  * Since: 2.22
  */
 typedef enum /*< flags >*/
 {
   G_SOCKET_MSG_NONE,
   G_SOCKET_MSG_OOB = GLIB_SYSDEF_MSG_OOB,
   G_SOCKET_MSG_PEEK = GLIB_SYSDEF_MSG_PEEK,
   G_SOCKET_MSG_DONTROUTE = GLIB_SYSDEF_MSG_DONTROUTE
 } G_GNUC_FLAG_ENUM GSocketMsgFlags;
 
 /**
  * GSocketProtocol:
  * @G_SOCKET_PROTOCOL_UNKNOWN: The protocol type is unknown
  * @G_SOCKET_PROTOCOL_DEFAULT: The default protocol for the family/type
  * @G_SOCKET_PROTOCOL_TCP: TCP over IP
  * @G_SOCKET_PROTOCOL_UDP: UDP over IP
  * @G_SOCKET_PROTOCOL_SCTP: SCTP over IP
  *
  * A protocol identifier is specified when creating a #GSocket, which is a
  * family/type specific identifier, where 0 means the default protocol for
  * the particular family/type.
  *
  * This enum contains a set of commonly available and used protocols. You
  * can also pass any other identifiers handled by the platform in order to
  * use protocols not listed here.
  *
  * Since: 2.22
  */
 typedef enum {
   G_SOCKET_PROTOCOL_UNKNOWN = -1,
   G_SOCKET_PROTOCOL_DEFAULT = 0,
   G_SOCKET_PROTOCOL_TCP     = 6,
   G_SOCKET_PROTOCOL_UDP     = 17,
   G_SOCKET_PROTOCOL_SCTP    = 132
 } GSocketProtocol;
 
 /**
  * GZlibCompressorFormat:
  * @G_ZLIB_COMPRESSOR_FORMAT_ZLIB: deflate compression with zlib header
  * @G_ZLIB_COMPRESSOR_FORMAT_GZIP: gzip file format
  * @G_ZLIB_COMPRESSOR_FORMAT_RAW: deflate compression with no header
  *
  * Used to select the type of data format to use for #GZlibDecompressor
  * and #GZlibCompressor.
  *
  * Since: 2.24
  */
 typedef enum {
   G_ZLIB_COMPRESSOR_FORMAT_ZLIB,
   G_ZLIB_COMPRESSOR_FORMAT_GZIP,
   G_ZLIB_COMPRESSOR_FORMAT_RAW
 } GZlibCompressorFormat;
 
 /**
  * GUnixSocketAddressType:
  * @G_UNIX_SOCKET_ADDRESS_INVALID: invalid
  * @G_UNIX_SOCKET_ADDRESS_ANONYMOUS: anonymous
  * @G_UNIX_SOCKET_ADDRESS_PATH: a filesystem path
  * @G_UNIX_SOCKET_ADDRESS_ABSTRACT: an abstract name
  * @G_UNIX_SOCKET_ADDRESS_ABSTRACT_PADDED: an abstract name, 0-padded
  *   to the full length of a unix socket name
  *
  * The type of name used by a #GUnixSocketAddress.
  * %G_UNIX_SOCKET_ADDRESS_PATH indicates a traditional unix domain
  * socket bound to a filesystem path. %G_UNIX_SOCKET_ADDRESS_ANONYMOUS
  * indicates a socket not bound to any name (eg, a client-side socket,
  * or a socket created with socketpair()).
  *
  * For abstract sockets, there are two incompatible ways of naming
  * them; the man pages suggest using the entire `struct sockaddr_un`
  * as the name, padding the unused parts of the %sun_path field with
  * zeroes; this corresponds to %G_UNIX_SOCKET_ADDRESS_ABSTRACT_PADDED.
  * However, many programs instead just use a portion of %sun_path, and
  * pass an appropriate smaller length to bind() or connect(). This is
  * %G_UNIX_SOCKET_ADDRESS_ABSTRACT.
  *
  * Since: 2.26
  */
 typedef enum {
   G_UNIX_SOCKET_ADDRESS_INVALID,
   G_UNIX_SOCKET_ADDRESS_ANONYMOUS,
   G_UNIX_SOCKET_ADDRESS_PATH,
   G_UNIX_SOCKET_ADDRESS_ABSTRACT,
   G_UNIX_SOCKET_ADDRESS_ABSTRACT_PADDED
 } GUnixSocketAddressType;
 
 /**
  * GBusType:
  * @G_BUS_TYPE_STARTER: An alias for the message bus that activated the process, if any.
  * @G_BUS_TYPE_NONE: Not a message bus.
  * @G_BUS_TYPE_SYSTEM: The system-wide message bus.
  * @G_BUS_TYPE_SESSION: The login session message bus.
  *
  * An enumeration for well-known message buses.
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_BUS_TYPE_STARTER = -1,
   G_BUS_TYPE_NONE = 0,
   G_BUS_TYPE_SYSTEM  = 1,
   G_BUS_TYPE_SESSION = 2
 } GBusType;
 
 /**
  * GBusNameOwnerFlags:
  * @G_BUS_NAME_OWNER_FLAGS_NONE: No flags set.
  * @G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT: Allow another message bus connection to claim the name.
  * @G_BUS_NAME_OWNER_FLAGS_REPLACE: If another message bus connection owns the name and have
  * specified %G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT, then take the name from the other connection.
  *
  * Flags used in g_bus_own_name().
  *
  * Since: 2.26
  */
 /**
  * G_BUS_NAME_OWNER_FLAGS_DO_NOT_QUEUE:
  *
  * If another message bus connection owns the name, immediately return an error
  * from [func@Gio.bus_own_name] rather than entering the waiting queue for that
  * name.
  *
  * Since: 2.54
  **/
 typedef enum
 {
   G_BUS_NAME_OWNER_FLAGS_NONE = 0,                    /*< nick=none >*/
   G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT = (1<<0),  /*< nick=allow-replacement >*/
   G_BUS_NAME_OWNER_FLAGS_REPLACE = (1<<1),           /*< nick=replace >*/
   G_BUS_NAME_OWNER_FLAGS_DO_NOT_QUEUE = (1<<2)       /*< nick=do-not-queue >*/
 } G_GNUC_FLAG_ENUM GBusNameOwnerFlags;
 /* When adding new flags, their numeric values must currently match those
  * used in the D-Bus Specification. */
 
 /**
  * GBusNameWatcherFlags:
  * @G_BUS_NAME_WATCHER_FLAGS_NONE: No flags set.
  * @G_BUS_NAME_WATCHER_FLAGS_AUTO_START: If no-one owns the name when
  * beginning to watch the name, ask the bus to launch an owner for the
  * name.
  *
  * Flags used in g_bus_watch_name().
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_BUS_NAME_WATCHER_FLAGS_NONE = 0,
   G_BUS_NAME_WATCHER_FLAGS_AUTO_START = (1<<0)
 } G_GNUC_FLAG_ENUM GBusNameWatcherFlags;
 
 /**
  * GDBusProxyFlags:
  * @G_DBUS_PROXY_FLAGS_NONE: No flags set.
  * @G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES: Don't load properties.
  * @G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS: Don't connect to signals on the remote object.
  * @G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START: If the proxy is for a well-known name,
  * do not ask the bus to launch an owner during proxy initialization or a method call.
  * This flag is only meaningful in proxies for well-known names.
  * @G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES: If set, the property value for any __invalidated property__ will be (asynchronously) retrieved upon receiving the [`PropertiesChanged`](http://dbus.freedesktop.org/doc/dbus-specification.html#standard-interfaces-properties) D-Bus signal and the property will not cause emission of the #GDBusProxy::g-properties-changed signal. When the value is received the #GDBusProxy::g-properties-changed signal is emitted for the property along with the retrieved value. Since 2.32.
  * @G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START_AT_CONSTRUCTION: If the proxy is for a well-known name,
  * do not ask the bus to launch an owner during proxy initialization, but allow it to be
  * autostarted by a method call. This flag is only meaningful in proxies for well-known names,
  * and only if %G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START is not also specified.
  * @G_DBUS_PROXY_FLAGS_NO_MATCH_RULE: Don't actually send the AddMatch D-Bus
  *    call for this signal subscription. This gives you more control
  *    over which match rules you add (but you must add them manually). (Since: 2.72)
  *
  * Flags used when constructing an instance of a #GDBusProxy derived class.
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_DBUS_PROXY_FLAGS_NONE = 0,
   G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES = (1<<0),
   G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS = (1<<1),
   G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START = (1<<2),
   G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES = (1<<3),
   G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START_AT_CONSTRUCTION = (1<<4),
   G_DBUS_PROXY_FLAGS_NO_MATCH_RULE GIO_AVAILABLE_ENUMERATOR_IN_2_72 = (1<<5)
 } G_GNUC_FLAG_ENUM GDBusProxyFlags;
 
 /**
  * GDBusError:
  * @G_DBUS_ERROR_FAILED:
  * A generic error; "something went wrong" - see the error message for
  * more.
  * @G_DBUS_ERROR_NO_MEMORY:
  * There was not enough memory to complete an operation.
  * @G_DBUS_ERROR_SERVICE_UNKNOWN:
  * The bus doesn't know how to launch a service to supply the bus name
  * you wanted.
  * @G_DBUS_ERROR_NAME_HAS_NO_OWNER:
  * The bus name you referenced doesn't exist (i.e. no application owns
  * it).
  * @G_DBUS_ERROR_NO_REPLY:
  * No reply to a message expecting one, usually means a timeout occurred.
  * @G_DBUS_ERROR_IO_ERROR:
  * Something went wrong reading or writing to a socket, for example.
  * @G_DBUS_ERROR_BAD_ADDRESS:
  * A D-Bus bus address was malformed.
  * @G_DBUS_ERROR_NOT_SUPPORTED:
  * Requested operation isn't supported (like ENOSYS on UNIX).
  * @G_DBUS_ERROR_LIMITS_EXCEEDED:
  * Some limited resource is exhausted.
  * @G_DBUS_ERROR_ACCESS_DENIED:
  * Security restrictions don't allow doing what you're trying to do.
  * @G_DBUS_ERROR_AUTH_FAILED:
  * Authentication didn't work.
  * @G_DBUS_ERROR_NO_SERVER:
  * Unable to connect to server (probably caused by ECONNREFUSED on a
  * socket).
  * @G_DBUS_ERROR_TIMEOUT:
  * Certain timeout errors, possibly ETIMEDOUT on a socket.  Note that
  * %G_DBUS_ERROR_NO_REPLY is used for message reply timeouts. Warning:
  * this is confusingly-named given that %G_DBUS_ERROR_TIMED_OUT also
  * exists. We can't fix it for compatibility reasons so just be
  * careful.
  * @G_DBUS_ERROR_NO_NETWORK:
  * No network access (probably ENETUNREACH on a socket).
  * @G_DBUS_ERROR_ADDRESS_IN_USE:
  * Can't bind a socket since its address is in use (i.e. EADDRINUSE).
  * @G_DBUS_ERROR_DISCONNECTED:
  * The connection is disconnected and you're trying to use it.
  * @G_DBUS_ERROR_INVALID_ARGS:
  * Invalid arguments passed to a method call.
  * @G_DBUS_ERROR_FILE_NOT_FOUND:
  * Missing file.
  * @G_DBUS_ERROR_FILE_EXISTS:
  * Existing file and the operation you're using does not silently overwrite.
  * @G_DBUS_ERROR_UNKNOWN_METHOD:
  * Method name you invoked isn't known by the object you invoked it on.
  * @G_DBUS_ERROR_UNKNOWN_OBJECT:
  * Object you invoked a method on isn't known. Since 2.42
  * @G_DBUS_ERROR_UNKNOWN_INTERFACE:
  * Interface you invoked a method on isn't known by the object. Since 2.42
  * @G_DBUS_ERROR_UNKNOWN_PROPERTY:
  * Property you tried to access isn't known by the object. Since 2.42
  * @G_DBUS_ERROR_PROPERTY_READ_ONLY:
  * Property you tried to set is read-only. Since 2.42
  * @G_DBUS_ERROR_TIMED_OUT:
  * Certain timeout errors, e.g. while starting a service. Warning: this is
  * confusingly-named given that %G_DBUS_ERROR_TIMEOUT also exists. We
  * can't fix it for compatibility reasons so just be careful.
  * @G_DBUS_ERROR_MATCH_RULE_NOT_FOUND:
  * Tried to remove or modify a match rule that didn't exist.
  * @G_DBUS_ERROR_MATCH_RULE_INVALID:
  * The match rule isn't syntactically valid.
  * @G_DBUS_ERROR_SPAWN_EXEC_FAILED:
  * While starting a new process, the exec() call failed.
  * @G_DBUS_ERROR_SPAWN_FORK_FAILED:
  * While starting a new process, the fork() call failed.
  * @G_DBUS_ERROR_SPAWN_CHILD_EXITED:
  * While starting a new process, the child exited with a status code.
  * @G_DBUS_ERROR_SPAWN_CHILD_SIGNALED:
  * While starting a new process, the child exited on a signal.
  * @G_DBUS_ERROR_SPAWN_FAILED:
  * While starting a new process, something went wrong.
  * @G_DBUS_ERROR_SPAWN_SETUP_FAILED:
  * We failed to setup the environment correctly.
  * @G_DBUS_ERROR_SPAWN_CONFIG_INVALID:
  * We failed to setup the config parser correctly.
  * @G_DBUS_ERROR_SPAWN_SERVICE_INVALID:
  * Bus name was not valid.
  * @G_DBUS_ERROR_SPAWN_SERVICE_NOT_FOUND:
  * Service file not found in system-services directory.
  * @G_DBUS_ERROR_SPAWN_PERMISSIONS_INVALID:
  * Permissions are incorrect on the setuid helper.
  * @G_DBUS_ERROR_SPAWN_FILE_INVALID:
  * Service file invalid (Name, User or Exec missing).
  * @G_DBUS_ERROR_SPAWN_NO_MEMORY:
  * Tried to get a UNIX process ID and it wasn't available.
  * @G_DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN:
  * Tried to get a UNIX process ID and it wasn't available.
  * @G_DBUS_ERROR_INVALID_SIGNATURE:
  * A type signature is not valid.
  * @G_DBUS_ERROR_INVALID_FILE_CONTENT:
  * A file contains invalid syntax or is otherwise broken.
  * @G_DBUS_ERROR_SELINUX_SECURITY_CONTEXT_UNKNOWN:
  * Asked for SELinux security context and it wasn't available.
  * @G_DBUS_ERROR_ADT_AUDIT_DATA_UNKNOWN:
  * Asked for ADT audit data and it wasn't available.
  * @G_DBUS_ERROR_OBJECT_PATH_IN_USE:
  * There's already an object with the requested object path.
  *
  * Error codes for the %G_DBUS_ERROR error domain.
  *
  * Since: 2.26
  */
 typedef enum
 {
   /* Well-known errors in the org.freedesktop.DBus.Error namespace */
   G_DBUS_ERROR_FAILED,                           /* org.freedesktop.DBus.Error.Failed */
   G_DBUS_ERROR_NO_MEMORY,                        /* org.freedesktop.DBus.Error.NoMemory */
   G_DBUS_ERROR_SERVICE_UNKNOWN,                  /* org.freedesktop.DBus.Error.ServiceUnknown */
   G_DBUS_ERROR_NAME_HAS_NO_OWNER,                /* org.freedesktop.DBus.Error.NameHasNoOwner */
   G_DBUS_ERROR_NO_REPLY,                         /* org.freedesktop.DBus.Error.NoReply */
   G_DBUS_ERROR_IO_ERROR,                         /* org.freedesktop.DBus.Error.IOError */
   G_DBUS_ERROR_BAD_ADDRESS,                      /* org.freedesktop.DBus.Error.BadAddress */
   G_DBUS_ERROR_NOT_SUPPORTED,                    /* org.freedesktop.DBus.Error.NotSupported */
   G_DBUS_ERROR_LIMITS_EXCEEDED,                  /* org.freedesktop.DBus.Error.LimitsExceeded */
   G_DBUS_ERROR_ACCESS_DENIED,                    /* org.freedesktop.DBus.Error.AccessDenied */
   G_DBUS_ERROR_AUTH_FAILED,                      /* org.freedesktop.DBus.Error.AuthFailed */
   G_DBUS_ERROR_NO_SERVER,                        /* org.freedesktop.DBus.Error.NoServer */
   G_DBUS_ERROR_TIMEOUT,                          /* org.freedesktop.DBus.Error.Timeout */
   G_DBUS_ERROR_NO_NETWORK,                       /* org.freedesktop.DBus.Error.NoNetwork */
   G_DBUS_ERROR_ADDRESS_IN_USE,                   /* org.freedesktop.DBus.Error.AddressInUse */
   G_DBUS_ERROR_DISCONNECTED,                     /* org.freedesktop.DBus.Error.Disconnected */
   G_DBUS_ERROR_INVALID_ARGS,                     /* org.freedesktop.DBus.Error.InvalidArgs */
   G_DBUS_ERROR_FILE_NOT_FOUND,                   /* org.freedesktop.DBus.Error.FileNotFound */
   G_DBUS_ERROR_FILE_EXISTS,                      /* org.freedesktop.DBus.Error.FileExists */
   G_DBUS_ERROR_UNKNOWN_METHOD,                   /* org.freedesktop.DBus.Error.UnknownMethod */
   G_DBUS_ERROR_TIMED_OUT,                        /* org.freedesktop.DBus.Error.TimedOut */
   G_DBUS_ERROR_MATCH_RULE_NOT_FOUND,             /* org.freedesktop.DBus.Error.MatchRuleNotFound */
   G_DBUS_ERROR_MATCH_RULE_INVALID,               /* org.freedesktop.DBus.Error.MatchRuleInvalid */
   G_DBUS_ERROR_SPAWN_EXEC_FAILED,                /* org.freedesktop.DBus.Error.Spawn.ExecFailed */
   G_DBUS_ERROR_SPAWN_FORK_FAILED,                /* org.freedesktop.DBus.Error.Spawn.ForkFailed */
   G_DBUS_ERROR_SPAWN_CHILD_EXITED,               /* org.freedesktop.DBus.Error.Spawn.ChildExited */
   G_DBUS_ERROR_SPAWN_CHILD_SIGNALED,             /* org.freedesktop.DBus.Error.Spawn.ChildSignaled */
   G_DBUS_ERROR_SPAWN_FAILED,                     /* org.freedesktop.DBus.Error.Spawn.Failed */
   G_DBUS_ERROR_SPAWN_SETUP_FAILED,               /* org.freedesktop.DBus.Error.Spawn.FailedToSetup */
   G_DBUS_ERROR_SPAWN_CONFIG_INVALID,             /* org.freedesktop.DBus.Error.Spawn.ConfigInvalid */
   G_DBUS_ERROR_SPAWN_SERVICE_INVALID,            /* org.freedesktop.DBus.Error.Spawn.ServiceNotValid */
   G_DBUS_ERROR_SPAWN_SERVICE_NOT_FOUND,          /* org.freedesktop.DBus.Error.Spawn.ServiceNotFound */
   G_DBUS_ERROR_SPAWN_PERMISSIONS_INVALID,        /* org.freedesktop.DBus.Error.Spawn.PermissionsInvalid */
   G_DBUS_ERROR_SPAWN_FILE_INVALID,               /* org.freedesktop.DBus.Error.Spawn.FileInvalid */
   G_DBUS_ERROR_SPAWN_NO_MEMORY,                  /* org.freedesktop.DBus.Error.Spawn.NoMemory */
   G_DBUS_ERROR_UNIX_PROCESS_ID_UNKNOWN,          /* org.freedesktop.DBus.Error.UnixProcessIdUnknown */
   G_DBUS_ERROR_INVALID_SIGNATURE,                /* org.freedesktop.DBus.Error.InvalidSignature */
   G_DBUS_ERROR_INVALID_FILE_CONTENT,             /* org.freedesktop.DBus.Error.InvalidFileContent */
   G_DBUS_ERROR_SELINUX_SECURITY_CONTEXT_UNKNOWN, /* org.freedesktop.DBus.Error.SELinuxSecurityContextUnknown */
   G_DBUS_ERROR_ADT_AUDIT_DATA_UNKNOWN,           /* org.freedesktop.DBus.Error.AdtAuditDataUnknown */
   G_DBUS_ERROR_OBJECT_PATH_IN_USE,               /* org.freedesktop.DBus.Error.ObjectPathInUse */
   G_DBUS_ERROR_UNKNOWN_OBJECT,                   /* org.freedesktop.DBus.Error.UnknownObject */
   G_DBUS_ERROR_UNKNOWN_INTERFACE,                /* org.freedesktop.DBus.Error.UnknownInterface */
   G_DBUS_ERROR_UNKNOWN_PROPERTY,                 /* org.freedesktop.DBus.Error.UnknownProperty */
   G_DBUS_ERROR_PROPERTY_READ_ONLY                /* org.freedesktop.DBus.Error.PropertyReadOnly */
 } GDBusError;
 /* Remember to update g_dbus_error_quark() in gdbuserror.c if you extend this enumeration */
 
 /**
  * GDBusConnectionFlags:
  * @G_DBUS_CONNECTION_FLAGS_NONE: No flags set.
  * @G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT: Perform authentication against server.
  * @G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER: Perform authentication against client.
  * @G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_ALLOW_ANONYMOUS: When
  * authenticating as a server, allow the anonymous authentication
  * method.
  * @G_DBUS_CONNECTION_FLAGS_MESSAGE_BUS_CONNECTION: Pass this flag if connecting to a peer that is a
  * message bus. This means that the Hello() method will be invoked as part of the connection setup.
  * @G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING: If set, processing of D-Bus messages is
  * delayed until g_dbus_connection_start_message_processing() is called.
  * @G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_REQUIRE_SAME_USER: When authenticating
  * as a server, require the UID of the peer to be the same as the UID of the server. (Since: 2.68)
  * @G_DBUS_CONNECTION_FLAGS_CROSS_NAMESPACE: When authenticating, try to use
  *  protocols that work across a Linux user namespace boundary, even if this
  *  reduces interoperability with older D-Bus implementations. This currently
  *  affects client-side `EXTERNAL` authentication, for which this flag makes
  *  connections to a server in another user namespace succeed, but causes
  *  a deadlock when connecting to a GDBus server older than 2.73.3. Since: 2.74
  *
  * Flags used when creating a new #GDBusConnection.
  *
  * Since: 2.26
  */
 typedef enum {
   G_DBUS_CONNECTION_FLAGS_NONE = 0,
   G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT = (1<<0),
   G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER = (1<<1),
   G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_ALLOW_ANONYMOUS = (1<<2),
   G_DBUS_CONNECTION_FLAGS_MESSAGE_BUS_CONNECTION = (1<<3),
   G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING = (1<<4),
   G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_REQUIRE_SAME_USER GIO_AVAILABLE_ENUMERATOR_IN_2_68 = (1<<5),
   G_DBUS_CONNECTION_FLAGS_CROSS_NAMESPACE GIO_AVAILABLE_ENUMERATOR_IN_2_74 = (1<<6)
 } G_GNUC_FLAG_ENUM GDBusConnectionFlags;
 
 /**
  * GDBusCapabilityFlags:
  * @G_DBUS_CAPABILITY_FLAGS_NONE: No flags set.
  * @G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING: The connection
  * supports exchanging UNIX file descriptors with the remote peer.
  *
  * Capabilities negotiated with the remote peer.
  *
  * Since: 2.26
  */
 typedef enum {
   G_DBUS_CAPABILITY_FLAGS_NONE = 0,
   G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING = (1<<0)
 } G_GNUC_FLAG_ENUM GDBusCapabilityFlags;
 
 /**
  * GDBusCallFlags:
  * @G_DBUS_CALL_FLAGS_NONE: No flags set.
  * @G_DBUS_CALL_FLAGS_NO_AUTO_START: The bus must not launch
  * an owner for the destination name in response to this method
  * invocation.
  * @G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION: the caller is prepared to
  * wait for interactive authorization. Since 2.46.
  *
  * Flags used in g_dbus_connection_call() and similar APIs.
  *
  * Since: 2.26
  */
 typedef enum {
   G_DBUS_CALL_FLAGS_NONE = 0,
   G_DBUS_CALL_FLAGS_NO_AUTO_START = (1<<0),
   G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION = (1<<1)
 } G_GNUC_FLAG_ENUM GDBusCallFlags;
 /* (1<<31) is reserved for internal use by GDBusConnection, do not use it. */
 
 /**
  * GDBusMessageType:
  * @G_DBUS_MESSAGE_TYPE_INVALID: Message is of invalid type.
  * @G_DBUS_MESSAGE_TYPE_METHOD_CALL: Method call.
  * @G_DBUS_MESSAGE_TYPE_METHOD_RETURN: Method reply.
  * @G_DBUS_MESSAGE_TYPE_ERROR: Error reply.
  * @G_DBUS_MESSAGE_TYPE_SIGNAL: Signal emission.
  *
  * Message types used in #GDBusMessage.
  *
  * Since: 2.26
  */
 typedef enum {
   G_DBUS_MESSAGE_TYPE_INVALID,
   G_DBUS_MESSAGE_TYPE_METHOD_CALL,
   G_DBUS_MESSAGE_TYPE_METHOD_RETURN,
   G_DBUS_MESSAGE_TYPE_ERROR,
   G_DBUS_MESSAGE_TYPE_SIGNAL
 } GDBusMessageType;
 
 /**
  * GDBusMessageFlags:
  * @G_DBUS_MESSAGE_FLAGS_NONE: No flags set.
  * @G_DBUS_MESSAGE_FLAGS_NO_REPLY_EXPECTED: A reply is not expected.
  * @G_DBUS_MESSAGE_FLAGS_NO_AUTO_START: The bus must not launch an
  * owner for the destination name in response to this message.
  * @G_DBUS_MESSAGE_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION: If set on a method
  * call, this flag means that the caller is prepared to wait for interactive
  * authorization. Since 2.46.
  *
  * Message flags used in #GDBusMessage.
  *
  * Since: 2.26
  */
 typedef enum {
   G_DBUS_MESSAGE_FLAGS_NONE = 0,
   G_DBUS_MESSAGE_FLAGS_NO_REPLY_EXPECTED = (1<<0),
   G_DBUS_MESSAGE_FLAGS_NO_AUTO_START = (1<<1),
   G_DBUS_MESSAGE_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION = (1<<2)
 } G_GNUC_FLAG_ENUM GDBusMessageFlags;
 
 /**
  * GDBusMessageHeaderField:
  * @G_DBUS_MESSAGE_HEADER_FIELD_INVALID: Not a valid header field.
  * @G_DBUS_MESSAGE_HEADER_FIELD_PATH: The object path.
  * @G_DBUS_MESSAGE_HEADER_FIELD_INTERFACE: The interface name.
  * @G_DBUS_MESSAGE_HEADER_FIELD_MEMBER: The method or signal name.
  * @G_DBUS_MESSAGE_HEADER_FIELD_ERROR_NAME: The name of the error that occurred.
  * @G_DBUS_MESSAGE_HEADER_FIELD_REPLY_SERIAL: The serial number the message is a reply to.
  * @G_DBUS_MESSAGE_HEADER_FIELD_DESTINATION: The name the message is intended for.
  * @G_DBUS_MESSAGE_HEADER_FIELD_SENDER: Unique name of the sender of the message (filled in by the bus).
  * @G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE: The signature of the message body.
  * @G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS: The number of UNIX file descriptors that accompany the message.
  *
  * Header fields used in #GDBusMessage.
  *
  * Since: 2.26
  */
 typedef enum {
   G_DBUS_MESSAGE_HEADER_FIELD_INVALID,
   G_DBUS_MESSAGE_HEADER_FIELD_PATH,
   G_DBUS_MESSAGE_HEADER_FIELD_INTERFACE,
   G_DBUS_MESSAGE_HEADER_FIELD_MEMBER,
   G_DBUS_MESSAGE_HEADER_FIELD_ERROR_NAME,
   G_DBUS_MESSAGE_HEADER_FIELD_REPLY_SERIAL,
   G_DBUS_MESSAGE_HEADER_FIELD_DESTINATION,
   G_DBUS_MESSAGE_HEADER_FIELD_SENDER,
   G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE,
   G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS
 } GDBusMessageHeaderField;
 
 /**
  * GDBusPropertyInfoFlags:
  * @G_DBUS_PROPERTY_INFO_FLAGS_NONE: No flags set.
  * @G_DBUS_PROPERTY_INFO_FLAGS_READABLE: Property is readable.
  * @G_DBUS_PROPERTY_INFO_FLAGS_WRITABLE: Property is writable.
  *
  * Flags describing the access control of a D-Bus property.
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_DBUS_PROPERTY_INFO_FLAGS_NONE = 0,
   G_DBUS_PROPERTY_INFO_FLAGS_READABLE = (1<<0),
   G_DBUS_PROPERTY_INFO_FLAGS_WRITABLE = (1<<1)
 } G_GNUC_FLAG_ENUM GDBusPropertyInfoFlags;
 
 /**
  * GDBusSubtreeFlags:
  * @G_DBUS_SUBTREE_FLAGS_NONE: No flags set.
  * @G_DBUS_SUBTREE_FLAGS_DISPATCH_TO_UNENUMERATED_NODES: Method calls to objects not in the enumerated range
  *                                                       will still be dispatched. This is useful if you want
  *                                                       to dynamically spawn objects in the subtree.
  *
  * Flags passed to g_dbus_connection_register_subtree().
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_DBUS_SUBTREE_FLAGS_NONE = 0,
   G_DBUS_SUBTREE_FLAGS_DISPATCH_TO_UNENUMERATED_NODES = (1<<0)
 } G_GNUC_FLAG_ENUM GDBusSubtreeFlags;
 
 /**
  * GDBusServerFlags:
  * @G_DBUS_SERVER_FLAGS_NONE: No flags set.
  * @G_DBUS_SERVER_FLAGS_RUN_IN_THREAD: All #GDBusServer::new-connection
  * signals will run in separated dedicated threads (see signal for
  * details).
  * @G_DBUS_SERVER_FLAGS_AUTHENTICATION_ALLOW_ANONYMOUS: Allow the anonymous
  * authentication method.
  * @G_DBUS_SERVER_FLAGS_AUTHENTICATION_REQUIRE_SAME_USER: Require the UID of the
  * peer to be the same as the UID of the server when authenticating. (Since: 2.68)
  *
  * Flags used when creating a #GDBusServer.
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_DBUS_SERVER_FLAGS_NONE = 0,
   G_DBUS_SERVER_FLAGS_RUN_IN_THREAD = (1<<0),
   G_DBUS_SERVER_FLAGS_AUTHENTICATION_ALLOW_ANONYMOUS = (1<<1),
   G_DBUS_SERVER_FLAGS_AUTHENTICATION_REQUIRE_SAME_USER GIO_AVAILABLE_ENUMERATOR_IN_2_68 = (1<<2)
 } G_GNUC_FLAG_ENUM GDBusServerFlags;
 
 /**
  * GDBusSignalFlags:
  * @G_DBUS_SIGNAL_FLAGS_NONE: No flags set.
  * @G_DBUS_SIGNAL_FLAGS_NO_MATCH_RULE: Don't actually send the AddMatch
  * D-Bus call for this signal subscription.  This gives you more control
  * over which match rules you add (but you must add them manually).
  * @G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_NAMESPACE: Match first arguments that
  * contain a bus or interface name with the given namespace.
  * @G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_PATH: Match first arguments that
  * contain an object path that is either equivalent to the given path,
  * or one of the paths is a subpath of the other.
  *
  * Flags used when subscribing to signals via g_dbus_connection_signal_subscribe().
  *
  * Since: 2.26
  */
 typedef enum /*< flags >*/
 {
   G_DBUS_SIGNAL_FLAGS_NONE = 0,
   G_DBUS_SIGNAL_FLAGS_NO_MATCH_RULE = (1<<0),
   G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_NAMESPACE = (1<<1),
   G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_PATH = (1<<2)
 } G_GNUC_FLAG_ENUM GDBusSignalFlags;
 
 /**
  * GDBusSendMessageFlags:
  * @G_DBUS_SEND_MESSAGE_FLAGS_NONE: No flags set.
  * @G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL: Do not automatically
  * assign a serial number from the #GDBusConnection object when
  * sending a message.
  *
  * Flags used when sending #GDBusMessages on a #GDBusConnection.
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_DBUS_SEND_MESSAGE_FLAGS_NONE = 0,
   G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL = (1<<0)
 } G_GNUC_FLAG_ENUM GDBusSendMessageFlags;
 /* (1<<31) is reserved for internal use by GDBusConnection, do not use it. */
 
 /**
  * GCredentialsType:
  * @G_CREDENTIALS_TYPE_INVALID: Indicates an invalid native credential type.
  * @G_CREDENTIALS_TYPE_LINUX_UCRED: The native credentials type is a `struct ucred`.
  * @G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED: The native credentials type is a `struct cmsgcred`.
  * @G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED: The native credentials type is a `struct sockpeercred`. Added in 2.30.
  * @G_CREDENTIALS_TYPE_SOLARIS_UCRED: The native credentials type is a `ucred_t`. Added in 2.40.
  * @G_CREDENTIALS_TYPE_NETBSD_UNPCBID: The native credentials type is a `struct unpcbid`. Added in 2.42.
  * @G_CREDENTIALS_TYPE_APPLE_XUCRED: The native credentials type is a `struct xucred`. Added in 2.66.
  * @G_CREDENTIALS_TYPE_WIN32_PID: The native credentials type is a PID `DWORD`. Added in 2.72.
  *
  * Enumeration describing different kinds of native credential types.
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_CREDENTIALS_TYPE_INVALID,
   G_CREDENTIALS_TYPE_LINUX_UCRED,
   G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED,
   G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED,
   G_CREDENTIALS_TYPE_SOLARIS_UCRED,
   G_CREDENTIALS_TYPE_NETBSD_UNPCBID,
   G_CREDENTIALS_TYPE_APPLE_XUCRED,
   G_CREDENTIALS_TYPE_WIN32_PID,
 } GCredentialsType;
 
 /**
  * GDBusMessageByteOrder:
  * @G_DBUS_MESSAGE_BYTE_ORDER_BIG_ENDIAN: The byte order is big endian.
  * @G_DBUS_MESSAGE_BYTE_ORDER_LITTLE_ENDIAN: The byte order is little endian.
  *
  * Enumeration used to describe the byte order of a D-Bus message.
  *
  * Since: 2.26
  */
 typedef enum
 {
   G_DBUS_MESSAGE_BYTE_ORDER_BIG_ENDIAN    = 'B',
   G_DBUS_MESSAGE_BYTE_ORDER_LITTLE_ENDIAN = 'l'
 } GDBusMessageByteOrder;
 
 /**
  * GApplicationFlags:
  * @G_APPLICATION_IS_SERVICE: Run as a service. In this mode, registration
  *      fails if the service is already running, and the application
  *      will initially wait up to 10 seconds for an initial activation
  *      message to arrive.
  * @G_APPLICATION_IS_LAUNCHER: Don't try to become the primary instance.
  * @G_APPLICATION_HANDLES_OPEN: This application handles opening files (in
  *     the primary instance). Note that this flag only affects the default
  *     implementation of local_command_line(), and has no effect if
  *     %G_APPLICATION_HANDLES_COMMAND_LINE is given.
  *     See g_application_run() for details.
  * @G_APPLICATION_HANDLES_COMMAND_LINE: This application handles command line
  *     arguments (in the primary instance). Note that this flag only affect
  *     the default implementation of local_command_line().
  *     See g_application_run() for details.
  * @G_APPLICATION_SEND_ENVIRONMENT: Send the environment of the
  *     launching process to the primary instance. Set this flag if your
  *     application is expected to behave differently depending on certain
  *     environment variables. For instance, an editor might be expected
  *     to use the `GIT_COMMITTER_NAME` environment variable
  *     when editing a git commit message. The environment is available
  *     to the #GApplication::command-line signal handler, via
  *     g_application_command_line_getenv().
  * @G_APPLICATION_NON_UNIQUE: Make no attempts to do any of the typical
  *     single-instance application negotiation, even if the application
  *     ID is given.  The application neither attempts to become the
  *     owner of the application ID nor does it check if an existing
  *     owner already exists.  Everything occurs in the local process.
  *     Since: 2.30.
  * @G_APPLICATION_CAN_OVERRIDE_APP_ID: Allow users to override the
  *     application ID from the command line with `--gapplication-app-id`.
  *     Since: 2.48
  * @G_APPLICATION_ALLOW_REPLACEMENT: Allow another instance to take over
  *     the bus name. Since: 2.60
  * @G_APPLICATION_REPLACE: Take over from another instance. This flag is
  *     usually set by passing `--gapplication-replace` on the commandline.
  *     Since: 2.60
  *
  * Flags used to define the behaviour of a #GApplication.
  *
  * Since: 2.28
  **/
 /**
  * G_APPLICATION_FLAGS_NONE:
  *
  * Default flags.
  *
  * Deprecated: 2.74: Use [flags@Gio.ApplicationFlags.DEFAULT_FLAGS].
  **/
 /**
  * G_APPLICATION_DEFAULT_FLAGS:
  *
  * Default flags.
  *
  * Since: 2.74
  **/
 typedef enum /*< prefix=G_APPLICATION >*/
 {
   G_APPLICATION_FLAGS_NONE GIO_DEPRECATED_ENUMERATOR_IN_2_74_FOR(G_APPLICATION_DEFAULT_FLAGS),
   G_APPLICATION_DEFAULT_FLAGS GIO_AVAILABLE_ENUMERATOR_IN_2_74 = 0,
   G_APPLICATION_IS_SERVICE  =          (1 << 0),
   G_APPLICATION_IS_LAUNCHER =          (1 << 1),
 
   G_APPLICATION_HANDLES_OPEN =         (1 << 2),
   G_APPLICATION_HANDLES_COMMAND_LINE = (1 << 3),
   G_APPLICATION_SEND_ENVIRONMENT    =  (1 << 4),
 
   G_APPLICATION_NON_UNIQUE =           (1 << 5),
 
   G_APPLICATION_CAN_OVERRIDE_APP_ID =  (1 << 6),
   G_APPLICATION_ALLOW_REPLACEMENT   =  (1 << 7),
   G_APPLICATION_REPLACE             =  (1 << 8)
 } G_GNUC_FLAG_ENUM GApplicationFlags;
 
 /**
  * GTlsError:
  * @G_TLS_ERROR_UNAVAILABLE: No TLS provider is available
  * @G_TLS_ERROR_MISC: Miscellaneous TLS error
  * @G_TLS_ERROR_BAD_CERTIFICATE: The certificate presented could not
  *   be parsed or failed validation.
  * @G_TLS_ERROR_NOT_TLS: The TLS handshake failed because the
  *   peer does not seem to be a TLS server.
  * @G_TLS_ERROR_HANDSHAKE: The TLS handshake failed because the
  *   peer's certificate was not acceptable.
  * @G_TLS_ERROR_CERTIFICATE_REQUIRED: The TLS handshake failed because
  *   the server requested a client-side certificate, but none was
  *   provided. See g_tls_connection_set_certificate().
  * @G_TLS_ERROR_EOF: The TLS connection was closed without proper
  *   notice, which may indicate an attack. See
  *   g_tls_connection_set_require_close_notify().
  * @G_TLS_ERROR_INAPPROPRIATE_FALLBACK: The TLS handshake failed
  *   because the client sent the fallback SCSV, indicating a protocol
  *   downgrade attack. Since: 2.60
  * @G_TLS_ERROR_BAD_CERTIFICATE_PASSWORD: The certificate failed
  *   to load because a password was incorrect. Since: 2.72
  *
  * An error code used with %G_TLS_ERROR in a #GError returned from a
  * TLS-related routine.
  *
  * Since: 2.28
  */
 typedef enum {
   G_TLS_ERROR_UNAVAILABLE,
   G_TLS_ERROR_MISC,
   G_TLS_ERROR_BAD_CERTIFICATE,
   G_TLS_ERROR_NOT_TLS,
   G_TLS_ERROR_HANDSHAKE,
   G_TLS_ERROR_CERTIFICATE_REQUIRED,
   G_TLS_ERROR_EOF,
   G_TLS_ERROR_INAPPROPRIATE_FALLBACK,
   G_TLS_ERROR_BAD_CERTIFICATE_PASSWORD
 } GTlsError;
 
 /**
  * GTlsCertificateFlags:
  * @G_TLS_CERTIFICATE_NO_FLAGS: No flags set. Since: 2.74
  * @G_TLS_CERTIFICATE_UNKNOWN_CA: The signing certificate authority is
  *   not known.
  * @G_TLS_CERTIFICATE_BAD_IDENTITY: The certificate does not match the
  *   expected identity of the site that it was retrieved from.
  * @G_TLS_CERTIFICATE_NOT_ACTIVATED: The certificate's activation time
  *   is still in the future
  * @G_TLS_CERTIFICATE_EXPIRED: The certificate has expired
  * @G_TLS_CERTIFICATE_REVOKED: The certificate has been revoked
  *   according to the #GTlsConnection's certificate revocation list.
  * @G_TLS_CERTIFICATE_INSECURE: The certificate's algorithm is
  *   considered insecure.
  * @G_TLS_CERTIFICATE_GENERIC_ERROR: Some other error occurred validating
  *   the certificate
  * @G_TLS_CERTIFICATE_VALIDATE_ALL: the combination of all of the above
  *   flags
  *
  * A set of flags describing TLS certification validation. This can be
  * used to describe why a particular certificate was rejected (for
  * example, in #GTlsConnection::accept-certificate).
  *
  * GLib guarantees that if certificate verification fails, at least one
  * flag will be set, but it does not guarantee that all possible flags
  * will be set. Accordingly, you may not safely decide to ignore any
  * particular type of error. For example, it would be incorrect to mask
  * %G_TLS_CERTIFICATE_EXPIRED if you want to allow expired certificates,
  * because this could potentially be the only error flag set even if
  * other problems exist with the certificate.
  *
  * Since: 2.28
  */
 typedef enum {
   G_TLS_CERTIFICATE_NO_FLAGS GIO_AVAILABLE_ENUMERATOR_IN_2_74 = 0,
   G_TLS_CERTIFICATE_UNKNOWN_CA    = (1 << 0),
   G_TLS_CERTIFICATE_BAD_IDENTITY  = (1 << 1),
   G_TLS_CERTIFICATE_NOT_ACTIVATED = (1 << 2),
   G_TLS_CERTIFICATE_EXPIRED       = (1 << 3),
   G_TLS_CERTIFICATE_REVOKED       = (1 << 4),
   G_TLS_CERTIFICATE_INSECURE      = (1 << 5),
   G_TLS_CERTIFICATE_GENERIC_ERROR = (1 << 6),
 
   G_TLS_CERTIFICATE_VALIDATE_ALL  = 0x007f
 } G_GNUC_FLAG_ENUM GTlsCertificateFlags;
 
 /**
  * GTlsAuthenticationMode:
  * @G_TLS_AUTHENTICATION_NONE: client authentication not required
  * @G_TLS_AUTHENTICATION_REQUESTED: client authentication is requested
  * @G_TLS_AUTHENTICATION_REQUIRED: client authentication is required
  *
  * The client authentication mode for a #GTlsServerConnection.
  *
  * Since: 2.28
  */
 typedef enum {
   G_TLS_AUTHENTICATION_NONE,
   G_TLS_AUTHENTICATION_REQUESTED,
   G_TLS_AUTHENTICATION_REQUIRED
 } GTlsAuthenticationMode;
 
 /**
  * GTlsChannelBindingType:
  * @G_TLS_CHANNEL_BINDING_TLS_UNIQUE:
  *    [`tls-unique`](https://tools.ietf.org/html/rfc5929#section-3) binding
  *    type
  * @G_TLS_CHANNEL_BINDING_TLS_SERVER_END_POINT:
  *    [`tls-server-end-point`](https://tools.ietf.org/html/rfc5929#section-4)
  *    binding type
  * @G_TLS_CHANNEL_BINDING_TLS_EXPORTER:
  *    [`tls-exporter`](https://www.rfc-editor.org/rfc/rfc9266.html) binding
  *    type. Since: 2.74
  *
  * The type of TLS channel binding data to retrieve from #GTlsConnection
  * or #GDtlsConnection, as documented by RFC 5929 or RFC 9266. The
  * [`tls-unique-for-telnet`](https://tools.ietf.org/html/rfc5929#section-5)
  * binding type is not currently implemented.
  *
  * Since: 2.66
  */
 GIO_AVAILABLE_TYPE_IN_2_66
 typedef enum {
   G_TLS_CHANNEL_BINDING_TLS_UNIQUE,
   G_TLS_CHANNEL_BINDING_TLS_SERVER_END_POINT,
   G_TLS_CHANNEL_BINDING_TLS_EXPORTER GIO_AVAILABLE_ENUMERATOR_IN_2_74,
 } GTlsChannelBindingType;
 
 /**
  * GTlsChannelBindingError:
  * @G_TLS_CHANNEL_BINDING_ERROR_NOT_IMPLEMENTED: Either entire binding
  *    retrieval facility or specific binding type is not implemented in the
  *    TLS backend.
  * @G_TLS_CHANNEL_BINDING_ERROR_INVALID_STATE: The handshake is not yet
  *    complete on the connection which is a strong requirement for any existing
  *    binding type.
  * @G_TLS_CHANNEL_BINDING_ERROR_NOT_AVAILABLE: Handshake is complete but
  *    binding data is not available. That normally indicates the TLS
  *    implementation failed to provide the binding data. For example, some
  *    implementations do not provide a peer certificate for resumed connections.
  * @G_TLS_CHANNEL_BINDING_ERROR_NOT_SUPPORTED: Binding type is not supported
  *    on the current connection. This error could be triggered when requesting
  *    `tls-server-end-point` binding data for a certificate which has no hash
  *    function or uses multiple hash functions.
  * @G_TLS_CHANNEL_BINDING_ERROR_GENERAL_ERROR: Any other backend error
  *    preventing binding data retrieval.
  *
  * An error code used with %G_TLS_CHANNEL_BINDING_ERROR in a #GError to
  * indicate a TLS channel binding retrieval error.
  *
  * Since: 2.66
  */
 GIO_AVAILABLE_TYPE_IN_2_66
 typedef enum {
   G_TLS_CHANNEL_BINDING_ERROR_NOT_IMPLEMENTED,
   G_TLS_CHANNEL_BINDING_ERROR_INVALID_STATE,
   G_TLS_CHANNEL_BINDING_ERROR_NOT_AVAILABLE,
   G_TLS_CHANNEL_BINDING_ERROR_NOT_SUPPORTED,
   G_TLS_CHANNEL_BINDING_ERROR_GENERAL_ERROR
 } GTlsChannelBindingError;
 
 /**
  * GTlsRehandshakeMode:
  * @G_TLS_REHANDSHAKE_NEVER: Never allow rehandshaking
  * @G_TLS_REHANDSHAKE_SAFELY: Allow safe rehandshaking only
  * @G_TLS_REHANDSHAKE_UNSAFELY: Allow unsafe rehandshaking
  *
  * When to allow rehandshaking. See
  * g_tls_connection_set_rehandshake_mode().
  *
  * Since: 2.28
  *
  * Deprecated: 2.60. Changing the rehandshake mode is no longer
  *   required for compatibility. Also, rehandshaking has been removed
  *   from the TLS protocol in TLS 1.3.
  */
 typedef enum {
   G_TLS_REHANDSHAKE_NEVER,
   G_TLS_REHANDSHAKE_SAFELY,
   G_TLS_REHANDSHAKE_UNSAFELY
 } GTlsRehandshakeMode GIO_DEPRECATED_TYPE_IN_2_60;
 
 /**
  * GTlsPasswordFlags:
  * @G_TLS_PASSWORD_NONE: No flags
  * @G_TLS_PASSWORD_RETRY: The password was wrong, and the user should retry.
  * @G_TLS_PASSWORD_MANY_TRIES: Hint to the user that the password has been
  *    wrong many times, and the user may not have many chances left.
  * @G_TLS_PASSWORD_FINAL_TRY: Hint to the user that this is the last try to get
  *    this password right.
  * @G_TLS_PASSWORD_PKCS11_USER: For PKCS #11, the user PIN is required.
  *    Since: 2.70.
  * @G_TLS_PASSWORD_PKCS11_SECURITY_OFFICER: For PKCS #11, the security officer
  *    PIN is required. Since: 2.70.
  * @G_TLS_PASSWORD_PKCS11_CONTEXT_SPECIFIC: For PKCS #11, the context-specific
  *    PIN is required. Since: 2.70.
  *
  * Various flags for the password.
  *
  * Since: 2.30
  */
 
 typedef enum _GTlsPasswordFlags
 {
   G_TLS_PASSWORD_NONE = 0,
   G_TLS_PASSWORD_RETRY = 1 << 1,
   G_TLS_PASSWORD_MANY_TRIES = 1 << 2,
   G_TLS_PASSWORD_FINAL_TRY = 1 << 3,
   G_TLS_PASSWORD_PKCS11_USER = 1 << 4,
   G_TLS_PASSWORD_PKCS11_SECURITY_OFFICER = 1 << 5,
   G_TLS_PASSWORD_PKCS11_CONTEXT_SPECIFIC = 1 << 6
 } G_GNUC_FLAG_ENUM GTlsPasswordFlags;
 
 /**
  * GTlsInteractionResult:
  * @G_TLS_INTERACTION_UNHANDLED: The interaction was unhandled (i.e. not
  *     implemented).
  * @G_TLS_INTERACTION_HANDLED: The interaction completed, and resulting data
  *     is available.
  * @G_TLS_INTERACTION_FAILED: The interaction has failed, or was cancelled.
  *     and the operation should be aborted.
  *
  * #GTlsInteractionResult is returned by various functions in #GTlsInteraction
  * when finishing an interaction request.
  *
  * Since: 2.30
  */
 typedef enum {
   G_TLS_INTERACTION_UNHANDLED,
   G_TLS_INTERACTION_HANDLED,
   G_TLS_INTERACTION_FAILED
 } GTlsInteractionResult;
 
 /**
  * GDBusInterfaceSkeletonFlags:
  * @G_DBUS_INTERFACE_SKELETON_FLAGS_NONE: No flags set.
  * @G_DBUS_INTERFACE_SKELETON_FLAGS_HANDLE_METHOD_INVOCATIONS_IN_THREAD: Each method invocation is handled in
  *   a thread dedicated to the invocation. This means that the method implementation can use blocking IO
  *   without blocking any other part of the process. It also means that the method implementation must
  *   use locking to access data structures used by other threads.
  *
  * Flags describing the behavior of a #GDBusInterfaceSkeleton instance.
  *
  * Since: 2.30
  */
 typedef enum
 {
   G_DBUS_INTERFACE_SKELETON_FLAGS_NONE = 0,
   G_DBUS_INTERFACE_SKELETON_FLAGS_HANDLE_METHOD_INVOCATIONS_IN_THREAD = (1<<0)
 } G_GNUC_FLAG_ENUM GDBusInterfaceSkeletonFlags;
 
 /**
  * GDBusObjectManagerClientFlags:
  * @G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_NONE: No flags set.
  * @G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_DO_NOT_AUTO_START: If not set and the
  *   manager is for a well-known name, then request the bus to launch
  *   an owner for the name if no-one owns the name. This flag can only
  *   be used in managers for well-known names.
  *
  * Flags used when constructing a #GDBusObjectManagerClient.
  *
  * Since: 2.30
  */
 typedef enum
 {
   G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_NONE = 0,
   G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_DO_NOT_AUTO_START = (1<<0)
 } G_GNUC_FLAG_ENUM GDBusObjectManagerClientFlags;
 
 /**
  * GTlsDatabaseVerifyFlags:
  * @G_TLS_DATABASE_VERIFY_NONE: No verification flags
  *
  * Flags for g_tls_database_verify_chain().
  *
  * Since: 2.30
  */
 typedef enum /*< flags >*/ {
   G_TLS_DATABASE_VERIFY_NONE = 0
 } G_GNUC_FLAG_ENUM GTlsDatabaseVerifyFlags;
 
 /**
  * GTlsDatabaseLookupFlags:
  * @G_TLS_DATABASE_LOOKUP_NONE: No lookup flags
  * @G_TLS_DATABASE_LOOKUP_KEYPAIR: Restrict lookup to certificates that have
  *     a private key.
  *
  * Flags for g_tls_database_lookup_certificate_for_handle(),
  * g_tls_database_lookup_certificate_issuer(),
  * and g_tls_database_lookup_certificates_issued_by().
  *
  * Since: 2.30
  */
 typedef enum {
   G_TLS_DATABASE_LOOKUP_NONE = 0,
   G_TLS_DATABASE_LOOKUP_KEYPAIR = 1
 } G_GNUC_FLAG_ENUM GTlsDatabaseLookupFlags;
 
 /**
  * GTlsCertificateRequestFlags:
  * @G_TLS_CERTIFICATE_REQUEST_NONE: No flags
  *
  * Flags for g_tls_interaction_request_certificate(),
  * g_tls_interaction_request_certificate_async(), and
  * g_tls_interaction_invoke_request_certificate().
  *
  * Since: 2.40
  */
 typedef enum {
   G_TLS_CERTIFICATE_REQUEST_NONE = 0
 } G_GNUC_FLAG_ENUM GTlsCertificateRequestFlags;
 
 /**
  * GTlsProtocolVersion:
  * @G_TLS_PROTOCOL_VERSION_UNKNOWN: No protocol version or unknown protocol version
  * @G_TLS_PROTOCOL_VERSION_SSL_3_0: SSL 3.0, which is insecure and should not be used
  * @G_TLS_PROTOCOL_VERSION_TLS_1_0: TLS 1.0, which is insecure and should not be used
  * @G_TLS_PROTOCOL_VERSION_TLS_1_1: TLS 1.1, which is insecure and should not be used
  * @G_TLS_PROTOCOL_VERSION_TLS_1_2: TLS 1.2, defined by [RFC 5246](https://datatracker.ietf.org/doc/html/rfc5246)
  * @G_TLS_PROTOCOL_VERSION_TLS_1_3: TLS 1.3, defined by [RFC 8446](https://datatracker.ietf.org/doc/html/rfc8446)
  * @G_TLS_PROTOCOL_VERSION_DTLS_1_0: DTLS 1.0, which is insecure and should not be used
  * @G_TLS_PROTOCOL_VERSION_DTLS_1_2: DTLS 1.2, defined by [RFC 6347](https://datatracker.ietf.org/doc/html/rfc6347)
  *
  * The TLS or DTLS protocol version used by a #GTlsConnection or
  * #GDtlsConnection. The integer values of these versions are sequential
  * to ensure newer known protocol versions compare greater than older
  * known versions. Any known DTLS protocol version will compare greater
  * than any SSL or TLS protocol version. The protocol version may be
  * %G_TLS_PROTOCOL_VERSION_UNKNOWN if the TLS backend supports a newer
  * protocol version that GLib does not yet know about. This means that
  * it's possible for an unknown DTLS protocol version to compare less
  * than the TLS protocol versions.
  *
  * Since: 2.70
  */
 typedef enum {
   G_TLS_PROTOCOL_VERSION_UNKNOWN = 0,
   G_TLS_PROTOCOL_VERSION_SSL_3_0 = 1,
   G_TLS_PROTOCOL_VERSION_TLS_1_0 = 2,
   G_TLS_PROTOCOL_VERSION_TLS_1_1 = 3,
   G_TLS_PROTOCOL_VERSION_TLS_1_2 = 4,
   G_TLS_PROTOCOL_VERSION_TLS_1_3 = 5,
   G_TLS_PROTOCOL_VERSION_DTLS_1_0 = 201,
   G_TLS_PROTOCOL_VERSION_DTLS_1_2 = 202,
 } GTlsProtocolVersion;
 
 /**
  * GIOModuleScopeFlags:
  * @G_IO_MODULE_SCOPE_NONE: No module scan flags
  * @G_IO_MODULE_SCOPE_BLOCK_DUPLICATES: When using this scope to load or
  *     scan modules, automatically block a modules which has the same base
  *     basename as previously loaded module.
  *
  * Flags for use with g_io_module_scope_new().
  *
  * Since: 2.30
  */
 typedef enum {
   G_IO_MODULE_SCOPE_NONE,
   G_IO_MODULE_SCOPE_BLOCK_DUPLICATES
 } G_GNUC_FLAG_ENUM GIOModuleScopeFlags;
 
 /**
  * GSocketClientEvent:
  * @G_SOCKET_CLIENT_RESOLVING: The client is doing a DNS lookup.
  * @G_SOCKET_CLIENT_RESOLVED: The client has completed a DNS lookup.
  * @G_SOCKET_CLIENT_CONNECTING: The client is connecting to a remote
  *   host (either a proxy or the destination server).
  * @G_SOCKET_CLIENT_CONNECTED: The client has connected to a remote
  *   host.
  * @G_SOCKET_CLIENT_PROXY_NEGOTIATING: The client is negotiating
  *   with a proxy to connect to the destination server.
  * @G_SOCKET_CLIENT_PROXY_NEGOTIATED: The client has negotiated
  *   with the proxy server.
  * @G_SOCKET_CLIENT_TLS_HANDSHAKING: The client is performing a
  *   TLS handshake.
  * @G_SOCKET_CLIENT_TLS_HANDSHAKED: The client has performed a
  *   TLS handshake.
  * @G_SOCKET_CLIENT_COMPLETE: The client is done with a particular
  *   #GSocketConnectable.
  *
  * Describes an event occurring on a #GSocketClient. See the
  * #GSocketClient::event signal for more details.
  *
  * Additional values may be added to this type in the future.
  *
  * Since: 2.32
  */
 typedef enum {
   G_SOCKET_CLIENT_RESOLVING,
   G_SOCKET_CLIENT_RESOLVED,
   G_SOCKET_CLIENT_CONNECTING,
   G_SOCKET_CLIENT_CONNECTED,
   G_SOCKET_CLIENT_PROXY_NEGOTIATING,
   G_SOCKET_CLIENT_PROXY_NEGOTIATED,
   G_SOCKET_CLIENT_TLS_HANDSHAKING,
   G_SOCKET_CLIENT_TLS_HANDSHAKED,
   G_SOCKET_CLIENT_COMPLETE
 } GSocketClientEvent;
 
 /**
  * GSocketListenerEvent:
  * @G_SOCKET_LISTENER_BINDING: The listener is about to bind a socket.
  * @G_SOCKET_LISTENER_BOUND: The listener has bound a socket.
  * @G_SOCKET_LISTENER_LISTENING: The listener is about to start
  *    listening on this socket.
  * @G_SOCKET_LISTENER_LISTENED: The listener is now listening on
  *   this socket.
  *
  * Describes an event occurring on a #GSocketListener. See the
  * #GSocketListener::event signal for more details.
  *
  * Additional values may be added to this type in the future.
  *
  * Since: 2.46
  */
 typedef enum {
   G_SOCKET_LISTENER_BINDING,
   G_SOCKET_LISTENER_BOUND,
   G_SOCKET_LISTENER_LISTENING,
   G_SOCKET_LISTENER_LISTENED
 } GSocketListenerEvent;
 
 /**
  * GTestDBusFlags:
  * @G_TEST_DBUS_NONE: No flags.
  *
  * Flags to define future #GTestDBus behaviour.
  *
  * Since: 2.34
  */
 typedef enum /*< flags >*/ {
   G_TEST_DBUS_NONE = 0
 } G_GNUC_FLAG_ENUM GTestDBusFlags;
 
 /**
  * GSubprocessFlags:
  * @G_SUBPROCESS_FLAGS_NONE: No flags.
  * @G_SUBPROCESS_FLAGS_STDIN_PIPE: create a pipe for the stdin of the
  *   spawned process that can be accessed with
  *   g_subprocess_get_stdin_pipe().
  * @G_SUBPROCESS_FLAGS_STDIN_INHERIT: stdin is inherited from the
  *   calling process.
  * @G_SUBPROCESS_FLAGS_STDOUT_PIPE: create a pipe for the stdout of the
  *   spawned process that can be accessed with
  *   g_subprocess_get_stdout_pipe().
  * @G_SUBPROCESS_FLAGS_STDOUT_SILENCE: silence the stdout of the spawned
  *   process (ie: redirect to `/dev/null`).
  * @G_SUBPROCESS_FLAGS_STDERR_PIPE: create a pipe for the stderr of the
  *   spawned process that can be accessed with
  *   g_subprocess_get_stderr_pipe().
  * @G_SUBPROCESS_FLAGS_STDERR_SILENCE: silence the stderr of the spawned
  *   process (ie: redirect to `/dev/null`).
  * @G_SUBPROCESS_FLAGS_STDERR_MERGE: merge the stderr of the spawned
  *   process with whatever the stdout happens to be.  This is a good way
  *   of directing both streams to a common log file, for example.
  * @G_SUBPROCESS_FLAGS_INHERIT_FDS: spawned processes will inherit the
  *   file descriptors of their parent, unless those descriptors have
  *   been explicitly marked as close-on-exec.  This flag has no effect
  *   over the "standard" file descriptors (stdin, stdout, stderr).
  * @G_SUBPROCESS_FLAGS_SEARCH_PATH_FROM_ENVP: if path searching is
  *   needed when spawning the subprocess, use the `PATH` in the launcher
  *   environment. (Since: 2.72)
  *
  * Flags to define the behaviour of a #GSubprocess.
  *
  * Note that the default for stdin is to redirect from `/dev/null`.  For
  * stdout and stderr the default are for them to inherit the
  * corresponding descriptor from the calling process.
  *
  * Note that it is a programmer error to mix 'incompatible' flags.  For
  * example, you may not request both %G_SUBPROCESS_FLAGS_STDOUT_PIPE and
  * %G_SUBPROCESS_FLAGS_STDOUT_SILENCE.
  *
  * Since: 2.40
  **/
 typedef enum {
   G_SUBPROCESS_FLAGS_NONE                  = 0,
   G_SUBPROCESS_FLAGS_STDIN_PIPE            = (1u << 0),
   G_SUBPROCESS_FLAGS_STDIN_INHERIT         = (1u << 1),
   G_SUBPROCESS_FLAGS_STDOUT_PIPE           = (1u << 2),
   G_SUBPROCESS_FLAGS_STDOUT_SILENCE        = (1u << 3),
   G_SUBPROCESS_FLAGS_STDERR_PIPE           = (1u << 4),
   G_SUBPROCESS_FLAGS_STDERR_SILENCE        = (1u << 5),
   G_SUBPROCESS_FLAGS_STDERR_MERGE          = (1u << 6),
   G_SUBPROCESS_FLAGS_INHERIT_FDS           = (1u << 7),
   G_SUBPROCESS_FLAGS_SEARCH_PATH_FROM_ENVP = (1u << 8)
 } G_GNUC_FLAG_ENUM GSubprocessFlags;
 
 /**
  * GNotificationPriority:
  * @G_NOTIFICATION_PRIORITY_LOW: for notifications that do not require
  *   immediate attention - typically used for contextual background
  *   information, such as contact birthdays or local weather
  * @G_NOTIFICATION_PRIORITY_NORMAL: the default priority, to be used for the
  *   majority of notifications (for example email messages, software updates,
  *   completed download/sync operations)
  * @G_NOTIFICATION_PRIORITY_HIGH: for events that require more attention,
  *   usually because responses are time-sensitive (for example chat and SMS
  *   messages or alarms)
  * @G_NOTIFICATION_PRIORITY_URGENT: for urgent notifications, or notifications
  *   that require a response in a short space of time (for example phone calls
  *   or emergency warnings)
  *
  * Priority levels for #GNotifications.
  *
  * Since: 2.42
  */
 typedef enum {
   G_NOTIFICATION_PRIORITY_NORMAL,
   G_NOTIFICATION_PRIORITY_LOW,
   G_NOTIFICATION_PRIORITY_HIGH,
   G_NOTIFICATION_PRIORITY_URGENT
 } GNotificationPriority;
 
 /**
  * GNetworkConnectivity:
  * @G_NETWORK_CONNECTIVITY_LOCAL: The host is not configured with a
  *   route to the Internet; it may or may not be connected to a local
  *   network.
  * @G_NETWORK_CONNECTIVITY_LIMITED: The host is connected to a network, but
  *   does not appear to be able to reach the full Internet, perhaps
  *   due to upstream network problems.
  * @G_NETWORK_CONNECTIVITY_PORTAL: The host is behind a captive portal and
  *   cannot reach the full Internet.
  * @G_NETWORK_CONNECTIVITY_FULL: The host is connected to a network, and
  *   appears to be able to reach the full Internet.
  *
  * The host's network connectivity state, as reported by #GNetworkMonitor.
  *
  * Since: 2.44
  */
 typedef enum {
   G_NETWORK_CONNECTIVITY_LOCAL       = 1,
   G_NETWORK_CONNECTIVITY_LIMITED     = 2,
   G_NETWORK_CONNECTIVITY_PORTAL      = 3,
   G_NETWORK_CONNECTIVITY_FULL        = 4
 } GNetworkConnectivity;
 
 /**
  * GPollableReturn:
  * @G_POLLABLE_RETURN_FAILED: Generic error condition for when an operation fails.
  * @G_POLLABLE_RETURN_OK: The operation was successfully finished.
  * @G_POLLABLE_RETURN_WOULD_BLOCK: The operation would block.
  *
  * Return value for various IO operations that signal errors via the
  * return value and not necessarily via a #GError.
  *
  * This enum exists to be able to return errors to callers without having to
  * allocate a #GError. Allocating #GErrors can be quite expensive for
  * regularly happening errors like %G_IO_ERROR_WOULD_BLOCK.
  *
  * In case of %G_POLLABLE_RETURN_FAILED a #GError should be set for the
  * operation to give details about the error that happened.
  *
  * Since: 2.60
  */
 typedef enum {
   G_POLLABLE_RETURN_FAILED       = 0,
   G_POLLABLE_RETURN_OK           = 1,
   G_POLLABLE_RETURN_WOULD_BLOCK  = -G_IO_ERROR_WOULD_BLOCK
 } GPollableReturn;
 
 /**
  * GMemoryMonitorWarningLevel:
  * @G_MEMORY_MONITOR_WARNING_LEVEL_LOW: Memory on the device is low, processes
  *   should free up unneeded resources (for example, in-memory caches) so they can
  *   be used elsewhere.
  * @G_MEMORY_MONITOR_WARNING_LEVEL_MEDIUM: Same as @G_MEMORY_MONITOR_WARNING_LEVEL_LOW
  *   but the device has even less free memory, so processes should try harder to free
  *   up unneeded resources. If your process does not need to stay running, it is a
  *   good time for it to quit.
  * @G_MEMORY_MONITOR_WARNING_LEVEL_CRITICAL: The system will soon start terminating
  *   processes to reclaim memory, including background processes.
  *
  * Memory availability warning levels.
  *
  * Note that because new values might be added, it is recommended that applications check
  * #GMemoryMonitorWarningLevel as ranges, for example:
  * |[<!-- language="C" -->
  * if (warning_level > G_MEMORY_MONITOR_WARNING_LEVEL_LOW)
  *   drop_caches ();
  * ]|
  *
  * Since: 2.64
  */
 typedef enum {
   G_MEMORY_MONITOR_WARNING_LEVEL_LOW      = 50,
   G_MEMORY_MONITOR_WARNING_LEVEL_MEDIUM   = 100,
   G_MEMORY_MONITOR_WARNING_LEVEL_CRITICAL = 255
 } GMemoryMonitorWarningLevel;
 
 /**
  * GEcnCodePoint:
  * @G_ECN_NO_ECN: Not ECN-capable transport
  * @G_ECN_ECT_1: ECN Capable Transport(1)
  * @G_ECN_ECT_0: ECN Capable Transport(0)
  * @G_ECN_ECT_CE: Congestion Experienced
  *
  * Possible values of Explicit Congestion Notification code points.
  *
  * These appear in `TOS` (IPv4) or `TCLASS` (IPv6) packet headers and
  * are described in [RFC 3168](https://www.rfc-editor.org/rfc/rfc3168#section-5).
  *
  * Since: 2.88
  */
 typedef enum {
   G_ECN_NO_ECN  = 0x0,
   G_ECN_ECT_1   = 0x1,
   G_ECN_ECT_0   = 0x2,
   G_ECN_ECT_CE  = 0x3
 } GEcnCodePoint;
 
 G_END_DECLS
 
 #endif /* __GIO_ENUMS_H__ */

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