type DebugFileWriter = Readonly<{
    appendFileSync?: (path: string, data: string) => void;
    writeFileSync?: (path: string, data: string) => void;
}>;
export declare function setDebugFileWriter(writer: DebugFileWriter | null): void;
export declare function resolveDebugLogPath(env: Record<string, unknown> | undefined, fallback?: string): string;
export declare function setDebugLogDefaultPath(path: string | null): void;
export interface DebugLogger {
    render: (message: string) => void;
    stream: (message: string) => void;
    error: (message: string, ...args: any[]) => void;
}
export declare function createDebugLogger(enable?: boolean): DebugLogger;
/**
 * Check if debug logging is enabled via environment variable
 */
export declare function isDebugEnabled(): boolean;
export {};