src/vs/editor/contrib/zoneWidget/zoneWidget.ts/ViewZoneDelegate/constructor
class ViewZoneDelegate:	constructor(domNode: HTMLElement, afterLineNumber: number, afterColumn: number, heightInLines: number,
		onDomNodeTop: (top: number) => void,
		onComputedHeight: (height: number) => void
	) {
		this.domNode = domNode;
		this.afterLineNumber = afterLineNumber;
		this.afterColumn = afterColumn;
		this.heightInLines = heightInLines;
		this._onDomNodeTop = onDomNodeTop;
		this._onComputedHeight = onComputedHeight;
	}