export interface ConversationRouteInput {
    controllerSession: string;
    messageId: string;
    requestText: string;
    /** The selected public target. A retry through a different alias conflicts instead of authorizing another send. */
    canonicalTarget: string;
}
export interface ConversationRouteChoice {
    route: "native" | "terminal";
    targetId: string;
}
export interface ConversationRouteRecord {
    schema: "agent-knock-knock/conversation-route";
    version: 1;
    revision: number;
    id: string;
    controller_session: string;
    message_id: string;
    request_text: string;
    canonical_target: string;
    route: ConversationRouteChoice["route"];
    target_id: string;
    created_at: string;
    updated_at: string;
    /** A recorded receipt is an observation, not proof of delivery or task acceptance. */
    state: "reserved" | "uncertain" | "recorded";
    receipt?: Record<string, unknown>;
    error_code?: string;
}
export interface ConversationRouteStore {
    load(input: ConversationRouteInput): ConversationRouteRecord | undefined;
    reserve(input: ConversationRouteInput, choice: ConversationRouteChoice): {
        record: ConversationRouteRecord;
        created: boolean;
    };
    recordReceipt(input: ConversationRouteInput, choice: ConversationRouteChoice, receipt: Record<string, unknown>): ConversationRouteRecord;
    markUncertain(input: ConversationRouteInput, choice: ConversationRouteChoice, errorCode?: string): ConversationRouteRecord;
}
export declare class ConversationRouteError extends Error {
    readonly code: "conversation_route_conflict" | "conversation_route_missing" | "conversation_route_invalid";
    constructor(code: "conversation_route_conflict" | "conversation_route_missing" | "conversation_route_invalid", message: string);
}
export declare function conversationRouteId(controllerSession: string, messageId: string): string;
/** Select once after preflight; crashes and uncertain delivery never authorize a different route.
 * This journal does not replace the selected provider's stable-message-ID dispatch ledger.
 */
export declare function createConversationRouteStore(storeDir: string, locks: {
    acquire(lockPath: string): () => void;
}, options?: {
    now?(): Date;
}): ConversationRouteStore;