src/vs/workbench/contrib/debug/browser/debugSession.ts/DebugSession/fetchThreads
class DebugSession:	private async fetchThreads(stoppedDetails?: IRawStoppedDetails): Promise<void> {
		if (this.raw) {
			const response = await this.raw.threads();
			if (response && response.body && response.body.threads) {
				this.model.rawUpdate({
					sessionId: this.getId(),
					threads: response.body.threads,
					stoppedDetails
				});
			}
		}
	}