src/vs/workbench/contrib/mergeEditor/browser/model/diffComputer.ts/EditorWorkerServiceDiffComputer/computeDiff
class EditorWorkerServiceDiffComputer:	async computeDiff(textModel1: ITextModel, textModel2: ITextModel): Promise<IDiffComputerResult> {
		const diffs = await this.editorWorkerService.computeDiff(textModel1.uri, textModel2.uri, false, 1000);
		if (!diffs) {
			return { diffs: null };
		}
		return { diffs: EditorWorkerServiceDiffComputer.fromDiffComputationResult(diffs, textModel1, textModel2) };
	}