clear method
(Untested) Removes all AudioSources.
Implementation
Future<void> clear() async {
final end = children.length;
children.clear();
_shuffleOrder.clear();
if (_player != null) {
_player!._broadcastSequence();
await (await _player!._platform).concatenatingRemoveRange(
ConcatenatingRemoveRangeRequest(
id: _id,
startIndex: 0,
endIndex: end,
shuffleOrder: List.of(_shuffleOrder.indices)));
}
}