<itemvalue="Load a new sound to be played once or multiple times later, from an asset."/>
<itemvalue="synthesize"/>
<itemvalue="synthesize"/>
<itemvalue="Returns time taken to execute this session in milliseconds or zero (0) if the session is not over yet."/>
<itemvalue="Returns time taken to execute this session in milliseconds or zero (0) if the session is not over yet."/>
<itemvalue="The mode value as a human-readable string. The string is in the format "rwxrwxrwx", reflecting the user, group, and world permissions to read, write, and execute the file system object, with "-" replacing the letter for missing permissions. Extra permission bits may be represented by prepending "(suid)", "(guid)", andor "(sticky)" to the mode string."/>
<itemvalue="The mode value as a human-readable string. The string is in the format "rwxrwxrwx", reflecting the user, group, and world permissions to read, write, and execute the file system object, with "-" replacing the letter for missing permissions. Extra permission bits may be represented by prepending "(suid)", "(guid)", andor "(sticky)" to the mode string."/>
@ -67,7 +68,6 @@
<itemvalue="时间刻度线"/>
<itemvalue="时间刻度线"/>
<itemvalue="时间刻度"/>
<itemvalue="时间刻度"/>
<itemvalue="In debug mode, if [debugTracePostFrameCallbacks] is set to true, then the registered callback will show up in the timeline events chart, which can be viewed in [DevTools](https:docs.flutter.devtoolsdevtools). In that case, the `debugLabel` argument specifies the name of the callback as it will appear in the timeline. In profile and release builds, post-frame are never traced, and the `debugLabel` argument is ignored."/>
<itemvalue="In debug mode, if [debugTracePostFrameCallbacks] is set to true, then the registered callback will show up in the timeline events chart, which can be viewed in [DevTools](https:docs.flutter.devtoolsdevtools). In that case, the `debugLabel` argument specifies the name of the callback as it will appear in the timeline. In profile and release builds, post-frame are never traced, and the `debugLabel` argument is ignored."/>
<itemvalue="Schedule a callback for the end of this frame. The provided callback is run immediately after a frame, just after the persistent frame callbacks (which is when the main rendering pipeline has been flushed). This method does not request a new frame. If a frame is already in progress and the execution of post-frame callbacks has not yet begun, then the registered callback is executed at the end of the current frame. Otherwise, the registered callback is executed after the next frame (whenever that may be, if ever). The callbacks are executed in the order in which they have been added."/>