import { LogEntry, LogFormatter } from '../types';
export declare class PrettyFormatter implements LogFormatter {
    format(entry: LogEntry): string;
}
export declare class JsonFormatter implements LogFormatter {
    format(entry: LogEntry): string;
}
export declare class ApiFormatter implements LogFormatter {
    format(entry: LogEntry): string;
}
export declare class PerformanceFormatter implements LogFormatter {
    format(entry: LogEntry): string;
}