import { Dispatch } from 'react';
/**
 * The state used for the component.
 */
interface State {
    email?: string;
    password?: string;
}
/**
 * The target component names.
 */
export declare const enum TargetName {
    Email = "email",
    Password = "password"
}
/**
 * Type of actions which can be applied to the state.
 */
declare const enum ActionType {
    UpdateState = 0,
    ResetState = 1
}
/**
 * Update state action.
 */
interface UpdateStateAction {
    type: ActionType.UpdateState;
    target: string;
    payload: string | undefined;
}
/**
 * Build an action used to update the state.
 *
 * @param target - The target component for which to update state.
 * @param value - The value to set.
 * @returns The corresponding action.
 */
export declare function updateState(target: string, value: string | undefined): UpdateStateAction;
/**
 * Reset state action.
 */
interface ResetStateAction {
    type: ActionType.ResetState;
}
/**
 * Build an action used to reset the state.
 *
 * @returns The corresponding action.
 */
export declare function resetState(): ResetStateAction;
/**
 * The reducer action.
 */
declare type Action = UpdateStateAction | ResetStateAction;
/**
 * Use the component reducer.
 *
 * @returns The same values as for `React.useReducer`.
 */
export default function useSignInReducer(): [State, Dispatch<Action>];
export {};