export interface AddBookingGroupMemberInput {
    groupId: string;
    bookingId: string;
    role?: "primary" | "shared";
}
export interface RemoveBookingGroupMemberInput {
    groupId: string;
    bookingId: string;
}
/**
 * Add or remove a booking from a group. Accepts the group id per-call so the
 * same hook instance can be reused across flows (e.g. create-then-add, where
 * the target group id isn't known at hook construction time).
 */
export declare function useBookingGroupMemberMutation(): {
    add: import("@tanstack/react-query").UseMutationResult<{
        id: string;
        groupId: string;
        bookingId: string;
        role: "primary" | "shared";
        createdAt: string;
    }, Error, AddBookingGroupMemberInput, unknown>;
    remove: import("@tanstack/react-query").UseMutationResult<{
        success: boolean;
    }, Error, RemoveBookingGroupMemberInput, unknown>;
};