@log4js2/core/dist/appender/log.appender.d.ts

log4js2 is a fast and lightweight logging library that enables logging flexibility within JavaScript/TypeScript applications, similar to Apache's [Log4j2 library](https://logging.apache.org/log4j/2.x/). It can also serve as a drop-in replacement for log4

import { LogLevel } from '../const/log.level';
import { ILogEvent } from '../log.event';
export declare abstract class LogAppender<C extends {}> {
    private active;
    private logLevel;
    private layout;
    constructor(config?: C);
    /**
     * Returns whether or not the appender is active
     * @returns {boolean}
     */
    isActive(): boolean;
    /**
     * Appends the log
     * @param {ILogEvent} logEvent
     */
    append(logEvent: ILogEvent): void;
    /**
     * Gets the current log level
     * @returns {number}
     */
    getLogLevel(): LogLevel;
    /**
     * Sets the log level of the appender
     * @param {LogLevel} logLevel
     */
    setLogLevel(logLevel: LogLevel): void;
    /**
     * Sets the layout of the appender
     * @param {string} layout
     */
    setLayout(layout: string): void;
    /**
     * Gets the layout associated with the appender
     * @returns {string}
     */
    getLayout(): string;
    /**
     * Formats the log event using the layout provided
     * @param {ILogEvent} logEvent
     */
    format(logEvent: ILogEvent): string;
}