import { BaseParamType } from '../../../params/_Base'; declare type LabelControllerCallback = () => string; export declare class ParamsLabelController { private _callback; private _params; constructor(); dispose(): void; params(): BaseParamType[] | undefined; callback(): LabelControllerCallback | undefined; init(params: BaseParamType[], callback?: LabelControllerCallback): void; private _handle_string_param; private _handle_operator_path_param; private _handle_node_path_param; private _handle_param_path_param; private _handle_number_param; } export {};