src/vs/editor/browser/view/renderingContext.ts/RestrictedRenderingContext/getVerticalOffsetAfterLineNumber
class RestrictedRenderingContext:	public getVerticalOffsetAfterLineNumber(lineNumber: number, includeViewZones?: boolean): number {
		return this._viewLayout.getVerticalOffsetAfterLineNumber(lineNumber, includeViewZones);
	}