export interface BaseMessage {
    type: string;
}
export interface ClientMessage extends BaseMessage {
    channel?: string;
    filterOptions?: string[];
}
export interface ServerMessage extends BaseMessage {
    clientId?: string;
    channel?: string;
    message?: string;
    event?: string;
}
export interface ErrorMessage extends ServerMessage {
    type: 'error';
    code?: number;
    message: string;
}
export interface MessagePayload {
    [key: string]: any;
}