src/vs/workbench/api/browser/mainThreadDebugService.ts/MainThreadDebugService/$unregisterDebugConfigurationProvider
class MainThreadDebugService:	public $unregisterDebugConfigurationProvider(handle: number): void {
		const provider = this._debugConfigurationProviders.get(handle);
		if (provider) {
			this._debugConfigurationProviders.delete(handle);
			this.debugService.getConfigurationManager().unregisterDebugConfigurationProvider(provider);
		}
	}