export declare enum LogLevel {
    DEBUG = 1,
    INFO = 2,
    WARN = 3,
    ERROR = 4,
    NONE = 5
}
export interface Logger {
    debug: (...args: any[]) => void;
    info: (...args: any[]) => void;
    warn: (...args: any[]) => void;
    error: (...args: any[]) => void;
}
export declare const NullLogger: Logger;
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