export declare function isConversationReady(conversationSid: string): boolean;
export declare function isConversationUsable(conversationSid: string): boolean;
export interface WatchConversationReadyOptions {
    onReady: () => void;
    onTimeout: () => void;
    timeoutMs?: number;
    pollMs?: number;
}
export declare function watchConversationReady(conversationSid: string, { onReady, onTimeout, timeoutMs, pollMs }: WatchConversationReadyOptions): () => void;