import { LogTransport, LogEntry, LogLevel, DatabaseTransportOptions } from '../types';
/**
 * Database transport for storing logs in a database
 * This is a base implementation that can be extended for specific database types
 */
export declare class DatabaseTransport implements LogTransport {
    name: string;
    level: LogLevel;
    private tableName;
    private isConnected;
    private connectionPool?;
    private writeQueue;
    private isWriting;
    constructor(options: DatabaseTransportOptions);
    write(entry: LogEntry): Promise<void>;
    /**
     * Initializes database connection
     * This is a placeholder implementation - extend for specific database types
     */
    private initializeConnection;
    /**
     * Processes the write queue
     */
    private processWriteQueue;
    /**
     * Writes a batch of entries to the database
     */
    private writeBatch;
    /**
     * Prepares a log entry for database storage
     */
    private prepareRecord;
    /**
     * Generates a unique ID for the log entry
     */
    private generateId;
    flush(): Promise<void>;
    close(): Promise<void>;
    /**
     * Gets transport status
     */
    getStatus(): {
        connected: boolean;
        queueSize: number;
        tableName: string;
    };
}
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