export declare enum DebugLevel {
    None = 0,
    Performance = 1,
    Message = 2,
    Error = 6,
    Warning = 14,
    Verbose = 30,
    All = 31
}
export declare let GlobalLogLevel: DebugLevel;
export declare const LogLevel: (value: DebugLevel) => void;
export declare const PerformanceLog: (...args: any[]) => any;
export declare const MessageLog: (...args: any[]) => any;
export declare const VerboseLog: (...args: any[]) => any;
export declare const WarningLog: (...args: any[]) => any;
export declare const ErrorLog: (...args: any[]) => any;
export declare const Elapsed: (start: number) => string;
export declare const PerformanceLogger: (label: string, callback: (start: number) => void, handleMessage?: (ms: number) => void) => void;