Adds content to the player
Adds cookies to request
Adds header to request
Clears all content
Clears all cookies
Enables cookie handling
Gets cookies for domain and path
Gets message port
Initializes client certificates
Pauses playback
Starts playback
Resumes playback
Seeks to specified offset
Sets certificate verification depth
Sets certificate file
Sets the content list
Sets multiple headers
Enables/disables loop
Sets message port
Sets the next item
Sets timed metadata for keys
Stops playback
Interface representing an audio player that extends multiple audio-related interfaces.