import { type ChatSummary, type MutationHint } from "./types.js";
import { type DrizzleExecutor } from "../drizzle.js";
/**
 * Finds or creates the canonical one-to-one chats conversation and active chatMembers rows for two eligible identities.
 * Serializing participant-key lookup and creation guarantees repeated or concurrent requests resolve to one DM rather than parallel histories.
 */
export declare function directMessageCreate(executor: DrizzleExecutor, actorUserId: string, otherUserId: string): Promise<{
    chat: ChatSummary;
    hint?: MutationHint;
}>;
//# sourceMappingURL=directMessageCreate.d.ts.map