src/vs/editor/common/core/range.ts/Range/containsRange
class Range:	public static containsRange(range: IRange, otherRange: IRange): boolean {
		if (otherRange.startLineNumber < range.startLineNumber || otherRange.endLineNumber < range.startLineNumber) {
			return false;
		}
		if (otherRange.startLineNumber > range.endLineNumber || otherRange.endLineNumber > range.endLineNumber) {
			return false;
		}
		if (otherRange.startLineNumber === range.startLineNumber && otherRange.startColumn < range.startColumn) {
			return false;
		}
		if (otherRange.endLineNumber === range.endLineNumber && otherRange.endColumn > range.endColumn) {
			return false;
		}
		return true;
	}