export type ResolveWebchatConversationIdInput = {
    conversationId?: string;
};
export type ResolveWebchatConversationIdResult = {
    ok: true;
    conversationId: string;
} | {
    ok: false;
    error: string;
};
/**
 * Resolve the server-owned session key for webchat `/api/agent` requests.
 * Ordinary creation is accepted atomically by a start input command.
 */
export declare function resolveWebchatConversationId(input: ResolveWebchatConversationIdInput): ResolveWebchatConversationIdResult;