import { CloudTrailClient, Event } from '@aws-sdk/client-cloudtrail';
/**
 * Interface for CloudTrail service
 */
export interface CloudTrailService {
    /**
     * Look up CloudTrail events with various filtering options
     */
    lookupEvents(options: {
        eventName?: string;
        username?: string;
        resourceName?: string;
        resourceType?: string;
        startTime?: Date;
        endTime?: Date;
        limit?: number;
    }): Promise<Event[]>;
}
/**
 * Implementation of CloudTrail service
 */
export declare class CloudTrailServiceImpl implements CloudTrailService {
    private client;
    constructor(client?: CloudTrailClient);
    /**
     * Look up CloudTrail events with various filtering options
     * @param options Lookup options
     * @returns Array of CloudTrail events
     */
    lookupEvents(options: {
        eventName?: string;
        username?: string;
        resourceName?: string;
        resourceType?: string;
        startTime?: Date;
        endTime?: Date;
        limit?: number;
    }): Promise<Event[]>;
}
/**
 * Create a new CloudTrail service instance
 * @param client Optional CloudTrail client
 * @returns CloudTrail service
 */
export declare function createCloudTrailService(client?: CloudTrailClient): CloudTrailService;