import { type MutationHint } from "./types.js";
import { type DrizzleExecutor } from "../drizzle.js";
/**
 * Soft-deletes the chats rows for a non-main, non-DM channel tree after confirming private ownership, public creator authority, or server administration and preserving one live channel in its project.
 * Advancing every affected chats and chatUpdates row at one global sequence gives current members terminal sync evidence for the complete tree.
 */
export declare function channelDelete(executor: DrizzleExecutor, input: {
    actorUserId: string;
    chatId: string;
    reason?: string;
}): Promise<{
    hint: MutationHint;
    memberUserIds: string[];
}>;
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