/// <reference types="react" />
import { Parameter } from '../../../Utils/WdkModel';
import { Context, ParamModule, Props } from '../../../Views/Question/Params/Utils';
export declare const paramModules: ParamModule[];
/**
 * Parameter renderer.
 */
export declare function ParamComponent<T extends Parameter, S>(props: Props<T, S>): JSX.Element;
/**
 * Parameter state-action reducer.
 */
export declare function reduce<T extends Parameter>(parameter: T, state: any, action: any): any;
export declare const observeParam: import("redux-observable").Epic<import("../../../Actions").Action, import("../../../Actions").Action, import("../../../StoreModules/QuestionStoreModule").State, import("../../../Core/Store").EpicDependencies>;
export declare const getValueFromState: ParamModule['getValueFromState'];
export declare function isParamValueValid(context: Context<Parameter>, state: any): boolean;
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