@interface ICQError : NSObject + (id)_errorWithCode:(long long)a0 retryAfter:(id)a1; + (id)_formatterForHTTPDate; + (id)_retryAfterDateFromString:(id)a0; + (id)_retryAfterDelayFromString:(id)a0; + (id)retryErrorWithRetryAfter:(id)a0; + (id)serviceUnavailableWithRetryAfter:(id)a0; @end