src/vs/workbench/contrib/comments/browser/commentsEditorContribution.ts/CommentingRangeDecorator/getMatchedCommentAction
class CommentingRangeDecorator:	public getMatchedCommentAction(line: number) {
		let result = [];
		for (const decoration of this.commentingRangeDecorations) {
			const range = decoration.getActiveRange();
			if (range && range.startLineNumber <= line && line <= range.endLineNumber) {
				result.push(decoration.getCommentAction());
			}
		}

		return result;
	}