import { type CodexNativeTaskService } from "./codex-native-task-service.js";
import { type ConversationRouteInput } from "./conversation-route-store.js";
import type { ConversationRouteSelection } from "./conversation-route-dispatch.js";
export interface LegacyConversationRouteOptions {
    input: ConversationRouteInput;
    nativeTasks: Pick<CodexNativeTaskService, "status">;
    /** The same host runtime directory used by explicit terminal Send. */
    terminalRuntimeDir: string;
    /** Required to keep an old explicit Send in the provider that owns its ledger. */
    expectedTerminalToken?: string;
    managedOnly?: boolean;
}
/** Consult only the two exact old message ledgers, before backend discovery or input.
 * An old reservation remains a route pin even when its outcome is uncertain.
 * Terminal receipts predate public target storage; their provider must still
 * validate runtime key and physical token before replay or any input.
 */
export declare function selectLegacyConversationRoute(options: LegacyConversationRouteOptions): ConversationRouteSelection | undefined;