src/vs/editor/common/core/range.ts/Range/constructor
class Range:	constructor(startLineNumber: number, startColumn: number, endLineNumber: number, endColumn: number) {
		if ((startLineNumber > endLineNumber) || (startLineNumber === endLineNumber && startColumn > endColumn)) {
			this.startLineNumber = endLineNumber;
			this.startColumn = endColumn;
			this.endLineNumber = startLineNumber;
			this.endColumn = startColumn;
		} else {
			this.startLineNumber = startLineNumber;
			this.startColumn = startColumn;
			this.endLineNumber = endLineNumber;
			this.endColumn = endColumn;
		}
	}