src/vs/editor/contrib/viewportSemanticTokens/browser/viewportSemanticTokens.ts/ViewportSemanticTokensContribution/_cancelAll
class ViewportSemanticTokensContribution:	private _cancelAll(): void {
		for (const request of this._outstandingRequests) {
			request.cancel();
		}
		this._outstandingRequests = [];
	}