import type { SessionCatalog } from "./cms.js";
export type SessionMessageReason = "help" | "guidance" | "fact-request" | "status-request" | "handoff";
export type SessionMessageVerdict = "answered" | "declined" | "blocked" | "stale";
export interface InternalSessionMessageRuntime {
    catalog: SessionCatalog;
    duroxideClient: {
        getStatus(orchestrationId: string): Promise<{
            status?: string;
        } | null | undefined>;
        enqueueEvent(orchestrationId: string, eventName: string, payload: string): Promise<unknown>;
    };
}
export declare function resetSessionMessageRateLimitsForTests(): void;
export declare function sendInternalSessionMessage(runtime: InternalSessionMessageRuntime, input: {
    fromSessionId: string;
    toSessionId: string;
    subject: string;
    body: string;
    reason?: SessionMessageReason;
    expectsResponse?: boolean;
    expiresAt?: string;
}): Promise<{
    requestId: string;
}>;
export declare function replyInternalSessionMessage(runtime: InternalSessionMessageRuntime, input: {
    requestId: string;
    fromSessionId: string;
    toSessionId: string;
    verdict?: SessionMessageVerdict;
    body: string;
}): Promise<void>;
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