import type { KeycloakInstance } from 'keycloak-js';
import * as React from 'react';
declare type InjectedProps = {
    keycloakInitialized: boolean;
    keycloak: KeycloakInstance;
};
/**
 * An HOC which injects the `keycloak` instance and the `keycloakInitialized` flag as props.
 *
 * @deprecated Please migrate to useKeycloak hook where/when possible.
 */
export declare function withKeycloak<P extends InjectedProps>(Component: React.ComponentType<P>): React.FC<Subtract<P, InjectedProps>>;
/**
 * SetDifference (same as Exclude)
 * @desc Set difference of given union types `A` and `B`
 * @example
 *   // Expect: "1"
 *   SetDifference<'1' | '2' | '3', '2' | '3' | '4'>;
 *
 *   // Expect: string | number
 *   SetDifference<string | number | (() => void), Function>;
 */
declare type SetDifference<A, B> = A extends B ? never : A;
/**
 * SetComplement
 * @desc Set complement of given union types `A` and (it's subset) `A1`
 * @example
 *   // Expect: "1"
 *   SetComplement<'1' | '2' | '3', '2' | '3'>;
 */
declare type SetComplement<A, A1 extends A> = SetDifference<A, A1>;
/**
 * Subtract
 * @desc From `T` remove properties that exist in `T1` (`T1` has a subset of the properties of `T`)
 * @example
 *   type Props = { name: string; age: number; visible: boolean };
 *   type DefaultProps = { age: number };
 *
 *   // Expect: { name: string; visible: boolean; }
 *   type RestProps = Subtract<Props, DefaultProps>;
 */
declare type Subtract<T extends T1, T1 extends object> = Pick<T, SetComplement<keyof T, keyof T1>>;
export {};