src/vs/workbench/contrib/welcome/walkThrough/common/walkThroughContentProvider.ts/WalkThroughSnippetContentProvider/constructor
class WalkThroughSnippetContentProvider:	constructor(
		@ITextModelService private readonly textModelResolverService: ITextModelService,
		@IModeService private readonly modeService: IModeService,
		@IModelService private readonly modelService: IModelService,
	) {
		this.textModelResolverService.registerTextModelContentProvider(Schemas.walkThroughSnippet, this);
	}