import type { ILogTransporter, LogMessage } from 'fixparser-common';
/**
 * Logger output format options.
 *
 * - 'console': Output log in plain text format
 * - 'json': Output log in JSON format
 * - 'jsonrpc': Output log in JSON-RPC 2.0 format
 *
 * @public
 */
export type ConsoleFormat = 'console' | 'json' | 'jsonrpc';
/**
 * A LogTransporter implementation for logging to the console.
 * It supports text (console), JSON, and JSON-RPC 2.0 formats.
 */
export declare class ConsoleLogTransport implements ILogTransporter {
    private format;
    private useStderr;
    constructor({ format, useStderr }: {
        format: ConsoleFormat;
        useStderr?: boolean;
    });
    /**
     * Configures the format for console logging (either 'console' for text, 'json', or 'jsonrpc').
     */
    configure(config: {
        format: 'console' | 'json' | 'jsonrpc';
        useStderr?: boolean;
    }): void;
    /**
     * Sends the log message to the console in the configured format.
     */
    send(log: LogMessage): Promise<void>;
    /**
     * Flushes the log buffer (if any buffering mechanism exists).
     */
    flush(): Promise<void>;
    /**
     * Closes the transport (not needed for console, but keeping the method for consistency).
     */
    close(): Promise<void>;
    /**
     * Returns the status of the transport (always "connected" for console).
     */
    status(): string;
}