export declare function debug_var(e: any): string;
export declare function debug_vars(arr: any[]): string[];
export declare var VTRACE: number;
export declare var TRACE: number;
export declare var DEBUG: number;
export declare var ERROR: number;
export declare var log_level: number;
export declare function vtrace(...msgs: any[]): void;
export declare function trace(...msgs: any[]): void;
export declare function debug(...msgs: any[]): void;
export declare function error(...msgs: any[]): void;