<itemvalue="If [exclusive] is `true` and to-be-created file already exists, this operation completes the future with a [FileSystemException]. If [exclusive] is `false`, existing files are left untouched by [createSync]. Calling [createSync] on an existing file still might fail if there are restrictive permissions on the file."/>
<itemvalue="gapless playback"/>
<itemvalue="timbres"/>
<itemvalue="Make this message read-only. Marks this message, and any sub-messages, as read-only."/>