export declare enum LogLevel {
    All = 1,
    Debug = 2,
    Info = 3,
    Warn = 4,
    Error = 5,
    Fatal = 6
}
export declare enum GroupCommand {
    GroupStart = 1,
    GroupCollapsed = 2,
    GroupEnd = 3
}
export interface ILog {
    log(arg: string, obj: any, level: LogLevel): void;
    error(arg: string, obj: any, level: LogLevel): void;
    warn(arg: string, obj: any, level: LogLevel): void;
    info(arg: string, obj: any, level: LogLevel): void;
    debug(arg: string, obj: any, level: LogLevel): void;
    group(label: string): void;
    groupCollapsed(label: string): any;
    groupEnd(): void;
}
export interface ILogEvent {
    (): ILogMessage;
}
export interface ILogMessage {
    message: string;
    obj?: any;
}
export interface ILogMessager {
    messageSent(message: string, payload?: any): void;
}
export declare abstract class ILogListener {
    namespace: string;
    level: LogLevel;
    abstract onLog(namespace: string, level: LogLevel, logMessage: ILogMessage): void;
    abstract onGroupCommand(namespace: string, type: GroupCommand, label?: string): void;
}
export interface ILogObserver {
    groupCommand(namespace: string, type: GroupCommand, label?: string): any;
    onDidLog(namespace: string, level: LogLevel, action: ILogEvent): void;
    register(listener: ILogListener): void;
    getListener(listener: Function): void;
}