import { type ChatSummary, type MutationHint } from "./types.js";
import { type DrizzleExecutor } from "../drizzle.js";
/**
 * Applies validated metadata to chats and propagates only a parent's visibility through its descendants.
 * A public-to-private transition updates chatMembers to select one already-active human owner per channel without joining anyone, preserving independent child membership and ownership.
 */
export declare function channelUpdate(executor: DrizzleExecutor, input: {
    actorUserId: string;
    chatId: string;
    name?: string;
    slug?: string;
    topic?: string | null;
    kind?: "public_channel" | "private_channel";
    photoFileId?: string | null;
    isListed?: boolean;
    autoJoin?: boolean;
}): Promise<{
    chat: ChatSummary;
    hint: MutationHint;
}>;
//# sourceMappingURL=channelUpdate.d.ts.map