import { Message, type MessageInternalConfig, type MessageInternalContents } from '../../Message';
interface Error451NotRegisteredFields {
    me: string;
    suffix: string;
}
export interface Error451NotRegistered extends Error451NotRegisteredFields {
}
export declare class Error451NotRegistered extends Message<Error451NotRegisteredFields> {
    static readonly COMMAND = "451";
    constructor(command: string, contents?: MessageInternalContents, config?: MessageInternalConfig);
}
export {};