src/vs/workbench/services/workingCopy/common/untitledFileWorkingCopyManager.ts/UntitledFileWorkingCopyManager/dispose
class UntitledFileWorkingCopyManager:	override dispose(): void {
		super.dispose();

		// Dispose the working copy change listeners
		dispose(this.mapResourceToWorkingCopyListeners.values());
		this.mapResourceToWorkingCopyListeners.clear();
	}