src/vs/editor/browser/viewParts/glyphMargin/glyphMargin.ts/DecorationToRender/constructor
class DecorationToRender:	constructor(startLineNumber: number, endLineNumber: number, className: string) {
		this.startLineNumber = +startLineNumber;
		this.endLineNumber = +endLineNumber;
		this.className = String(className);
	}