import { RxapFormControl } from '@rxap/forms';
import { ExtractControlMixin } from './extract-control.mixin';
import { ExtractFormDefinitionMixin } from './extract-form-definition.mixin';
import { ExtractFunctionMixin } from './extract-function.mixin';
import { UseFunctionConfig, UseFunctionType } from './extract-functions.mixin';
export declare const IS_VALUE_FUNCTION_NAME = "is-value";
export declare function UseIsValueFunction(fnc: UseFunctionType<[any], boolean>): any;
export declare function UseIsValueFunction(fnc: UseFunctionType<any[], any>, config: UseFunctionConfig<boolean, any[], any, [any]>): any;
export interface ExtractIsValueFunctionMixin extends ExtractFormDefinitionMixin, ExtractFunctionMixin, ExtractControlMixin {
}
export declare class ExtractIsValueFunctionMixin {
    protected extractIsValueFunction(defaultFunction?: UseFunctionType<[any], boolean> | null, control?: RxapFormControl, formDefinition?: import("@rxap/forms").FormDefinition<any, any, any>): UseFunctionType<[any], boolean>;
}