import { QueryClient } from '@tanstack/react-query';
import { BetterFetchError } from 'better-auth/react';
import { UsernameAuthClient } from '../../lib/auth-client';
export type SignInUsernameParams<TAuthClient extends UsernameAuthClient> = Parameters<TAuthClient["signIn"]["username"]>[0];
export type SignInUsernameOptions<TAuthClient extends UsernameAuthClient> = Omit<ReturnType<typeof signInUsernameOptions<TAuthClient>>, "mutationKey" | "mutationFn" | "meta">;
/**
 * Mutation options factory for username/password sign-in.
 *
 * @param authClient - The Better Auth client.
 */
export declare function signInUsernameOptions<TAuthClient extends UsernameAuthClient>(authClient: TAuthClient): import('@tanstack/query-core').WithRequired<import('@tanstack/react-query').UseMutationOptions<Omit<{
    redirect: boolean;
    token: string;
    url: string | undefined;
    user: {
        id: string;
        createdAt: Date;
        updatedAt: Date;
        email: string;
        emailVerified: boolean;
        name: string;
        image?: string | null | undefined;
    } & {
        username: string;
        displayUsername: string;
    };
}, "user"> & {
    user: import('better-auth').StripEmptyObjects<{
        id: string;
        createdAt: Date;
        updatedAt: Date;
        email: string;
        emailVerified: boolean;
        name: string;
        image?: string | null | undefined;
    } & {} & {
        username?: string | null | undefined;
        displayUsername?: string | null | undefined;
    }>;
}, BetterFetchError, SignInUsernameParams<TAuthClient>, unknown>, "mutationKey">;
/**
 * Create a mutation for username/password sign-in.
 *
 * On success, `MutationInvalidator` awaits invalidation of the session
 * query so the new session is refetched (see `meta.awaits`).
 *
 * @param authClient - The Better Auth client with the username plugin.
 * @param options - React Query options forwarded to `useMutation`.
 */
export declare function useSignInUsername<TAuthClient extends UsernameAuthClient>(authClient: TAuthClient, options?: SignInUsernameOptions<TAuthClient>, queryClient?: QueryClient): import('@tanstack/react-query').UseMutationResult<Omit<{
    redirect: boolean;
    token: string;
    url: string | undefined;
    user: {
        id: string;
        createdAt: Date;
        updatedAt: Date;
        email: string;
        emailVerified: boolean;
        name: string;
        image?: string | null | undefined;
    } & {
        username: string;
        displayUsername: string;
    };
}, "user"> & {
    user: import('better-auth').StripEmptyObjects<{
        id: string;
        createdAt: Date;
        updatedAt: Date;
        email: string;
        emailVerified: boolean;
        name: string;
        image?: string | null | undefined;
    } & {} & {
        username?: string | null | undefined;
        displayUsername?: string | null | undefined;
    }>;
}, BetterFetchError, SignInUsernameParams<TAuthClient>, unknown>;