import { type ChatRole, type MutationHint } from "./types.js";
import { type DrizzleExecutor } from "../drizzle.js";
/**
 * Adds or restores an eligible identity in chatMembers and updates chats to atomically transfer private ownership when requested.
 * A fresh membership epoch, service event, and attachment-gated documents hint make the independent access grant unambiguous to clients.
 */
export declare function channelMemberAdd(executor: DrizzleExecutor, input: {
    actorUserId: string;
    chatId: string;
    userId: string;
    role?: ChatRole;
}): Promise<{
    hint: MutationHint;
    documentsHint?: MutationHint;
}>;
//# sourceMappingURL=channelMemberAdd.d.ts.map