import { type ChatSummary, type MutationHint } from "./types.js";
import { type DrizzleExecutor } from "../drizzle.js";
/**
 * Creates a group-DM chats row with the exact validated chatMembers set supplied by its active creator.
 * Committing the participant set before sync publication ensures every invitee enters the same private conversation with no partially built roster.
 */
export declare function directMessageCreateGroup(executor: DrizzleExecutor, input: {
    actorUserId: string;
    userIds: string[];
    name?: string;
}): Promise<{
    chat: ChatSummary;
    hint?: MutationHint;
    memberUserIds: string[];
}>;
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