type Layouts = {
    patternLayout?: (pattern: string) => (evt: LogEvent) => string;
};
interface LogEvent {
    startTime: Date;
    level: {
        levelStr: string;
    };
    categoryName: string;
    data: unknown[];
}
type AppenderConfig = {
    filename?: string;
    maxLogSize?: number;
    backups?: number;
    pattern?: string;
    layout?: string;
};
export declare function configure(config: AppenderConfig, layouts: Layouts): (evt: LogEvent) => void;
export {};