src/vs/editor/contrib/codelens/codelensWidget.ts/CodeLensHelper/commit
class CodeLensHelper:	commit(changeAccessor: IModelDecorationsChangeAccessor): void {
		let resultingDecorations = changeAccessor.deltaDecorations(this._removeDecorations, this._addDecorations);
		for (let i = 0, len = resultingDecorations.length; i < len; i++) {
			this._addDecorationsCallbacks[i](resultingDecorations[i]);
		}
	}