src/vs/editor/contrib/rename/renameInputField.ts/RenameInputField/getPosition
class RenameInputField:	getPosition(): IContentWidgetPosition | null {
		if (!this._visible) {
			return null;
		}
		return {
			position: this._position!,
			preference: [ContentWidgetPositionPreference.BELOW, ContentWidgetPositionPreference.ABOVE]
		};
	}