import { Debugger } from 'debug';
import { LogLevel } from './debug.js';
/**
 * Debug namespaces
 */
export declare const debugNamespaces: Set<string>;
/**
 * Create a debug instance for the given namespace
 * @param namespace - Namespace
 */
export declare function debugFactory(namespace: string): Debugger;
/**
 * Loggers for the given namespace
 * @param namespace - Namespace for logging
 * @returns
 */
export declare function loggers(namespace: string): Record<LogLevel, Debugger>;
/**
 * Alias for loggers
 */
export declare const debuggers: typeof loggers;
/**
 * Get an object of debug settings
 */
export declare function getDebugSettings(): Record<string, boolean>;
export declare class DiagnosticTrace extends Array<string | object> {
    /**
     * Create a new span that's embedded in the current trace
     * @param key - key for the new span
     * @returns
     */
    span(key: string): DiagnosticTrace;
    /**
     * Remove all items in this diagnostic trace
     * @returns
     */
    reset(): (string | object)[];
    log(format?: string, fn?: (format: string, ...args: unknown[]) => void): void;
    toString(): string;
}