import { Logger, LazyLoggerMessage } from '@graphql-mesh/types';
import { LogLevel } from '@graphql-mesh/utils';

interface JSONLoggerOptions {
    name?: string;
    meta?: Record<string, any>;
    level?: LogLevel;
    console?: Console;
}
declare global {
    var DEBUG: string;
}
declare class JSONLogger implements Logger {
    name?: string;
    meta: Record<string, any>;
    logLevel: LogLevel;
    console: Console;
    constructor(opts?: JSONLoggerOptions);
    log(...messageArgs: LazyLoggerMessage[]): void;
    warn(...messageArgs: LazyLoggerMessage[]): void;
    info(...messageArgs: LazyLoggerMessage[]): void;
    error(...messageArgs: LazyLoggerMessage[]): void;
    debug(...messageArgs: LazyLoggerMessage[]): void;
    child(nameOrMeta: string | Record<string, string | number>): JSONLogger;
    addPrefix(prefix: string | Record<string, string | number>): this;
    private prepareFinalMessage;
}

export { JSONLogger, type JSONLoggerOptions };