src/vs/workbench/contrib/markers/browser/markersView.ts/MarkersView/getFilesExcludeExpressions
class MarkersView:	private getFilesExcludeExpressions(): { root: URI; expression: IExpression }[] | IExpression {
		if (!this.filters.excludedFiles) {
			return [];
		}

		const workspaceFolders = this.workspaceContextService.getWorkspace().folders;
		return workspaceFolders.length
			? workspaceFolders.map(workspaceFolder => ({ root: workspaceFolder.uri, expression: this.getFilesExclude(workspaceFolder.uri) }))
			: this.getFilesExclude();
	}