export declare enum ErrorLevel {
    Fatal = -1,
    Unexpected = 1,
    Expected = 2,
    Silent = 3
}
export type ErrorArgs = {
    [key: string]: any;
};
export declare class ExError extends Error {
    static fromError(err: Error | ExError): ExError;
    constructor(code: string, name: string, message: string, level: ErrorLevel, args: ErrorArgs);
    get code(): string;
    get name(): string;
    get level(): ErrorLevel;
    get args(): ErrorArgs;
    toJson(): any;
    private code_;
    private name_;
    private level_;
    private args_;
}
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