interface CreateReactionMutationProps {
    type: string;
    postId: string;
    parentId?: string;
}
interface UndoReactionMutationProps {
    userId: string;
    type: string;
    postId: string;
    parentId?: string;
}
export declare function useCreateReactionMutation(): import("@tanstack/react-query").UseMutationResult<Reaction, unknown, CreateReactionMutationProps, {
    previousPosts: unknown;
}>;
export declare function useUndoReactionMutation(): import("@tanstack/react-query").UseMutationResult<Reaction, unknown, UndoReactionMutationProps, {
    previousPosts: unknown;
}>;
export type Reaction = {
    id: string;
    postId: string;
    userId: string;
    type: string;
};
export {};