import { AnyObject } from '@data-driven-forms/react-form-renderer';
import { SelectOption, OptionValue, FlatSelectOption } from '../types/shared-types';
export interface SelectState<T = OptionValue> {
    isLoading: boolean;
    options: (SelectOption<T> | FlatSelectOption<T>)[];
    promises: AnyObject;
    isInitialLoaded: boolean;
    originalOptions?: (SelectOption<T> | FlatSelectOption<T>)[];
}
interface InitProps<T = OptionValue> {
    propsOptions: SelectOption<T>[];
    optionsTransformer?: (options: AnyObject[]) => FlatSelectOption<T>[];
}
type ReducerAction<T = OptionValue> = {
    type: 'updateOptions';
    payload: SelectOption<T>[];
    optionsTransformer?: (options: AnyObject[]) => FlatSelectOption<T>[];
} | {
    type: 'startLoading';
} | {
    type: 'setOptions';
    payload: SelectOption<T>[];
    optionsTransformer?: (options: AnyObject[]) => FlatSelectOption<T>[];
} | {
    type: 'initialLoaded';
} | {
    type: 'setPromises';
    payload: AnyObject;
    options?: SelectOption<T>[];
    optionsTransformer?: (options: AnyObject[]) => FlatSelectOption<T>[];
    compareValues?: (value1: T, value2: T) => boolean;
};
export declare const init: <T extends OptionValue = OptionValue>({ propsOptions, optionsTransformer }: InitProps<T>) => SelectState<T>;
declare const reducer: <T extends OptionValue = OptionValue>(state: SelectState<T>, action: ReducerAction<T>) => SelectState<T>;
export default reducer;