/**
 * Debug logging utility for OpenCode Diff Plugin
 *
 * Provides leveled logging with environment variable control
 */
export type LogLevel = 'debug' | 'info' | 'warn' | 'error';
interface LogEntry {
    timestamp: string;
    level: LogLevel;
    component: string;
    message: string;
    data?: unknown;
}
export declare class DebugLogger {
    private static instance;
    private logLevel;
    private component;
    private logs;
    private maxLogs;
    private constructor();
    static getInstance(component: string): DebugLogger;
    private detectLogLevel;
    setLogLevel(level: LogLevel): void;
    private shouldLog;
    private formatMessage;
    private addToHistory;
    debug(message: string, data?: unknown): void;
    info(message: string, data?: unknown): void;
    warn(message: string, data?: unknown): void;
    error(message: string, error?: Error | unknown): void;
    group(label: string): void;
    groupEnd(): void;
    getLogs(): LogEntry[];
    clearLogs(): void;
    exportLogs(): string;
}
export declare function createLogger(component: string): DebugLogger;
export declare function enableDebugMode(): void;
export declare function disableDebugMode(): void;
export {};
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