import { useTransition } from 'react';
export interface ActionState<T> {
    data: T | null;
    error: string | null;
    isPending: boolean;
}
export type ActionResult<T> = T | {
    ok: false;
    error: string;
};
/**
 * Same shape as Next.js `defineAction` — just a passthrough that carries
 * the `'use server'` semantics through TypeScript. Server-Actions plugin
 * handles the actual code split.
 */
export declare function defineAction<T extends (...args: any[]) => Promise<any>>(fn: T): T;
/**
 * Manually invoke an action without a Form.
 */
export declare function callAction<T>(action: (...args: any[]) => Promise<T>, ...args: any[]): Promise<T>;
/**
 * React 19-flavoured hook.
 *
 * ```tsx
 * const [state, run, isPending] = useAction(myAction, { data: null, error: null })
 * ```
 */
export declare function useAction<T>(action: (prevState: ActionState<T>, formData: FormData) => Promise<ActionState<T>>, initial: ActionState<T>): [state: ActionState<T>, dispatch: (payload: FormData) => void, isPending: boolean];
export { useTransition };
//# sourceMappingURL=actions.d.ts.map