import { EpsilonLambdaEventHandler } from '../config/epsilon-lambda-event-handler.js';
import { Context, ProxyResult, S3Event } from 'aws-lambda';
import { EpsilonInstance } from '../epsilon-instance.js';
export declare class S3EpsilonLambdaEventHandler implements EpsilonLambdaEventHandler<S3Event> {
    private _epsilon;
    constructor(_epsilon: EpsilonInstance);
    extractLabel(evt: S3Event, _context: Context): string;
    handlesEvent(evt: any): boolean;
    processEvent(evt: S3Event, _context: Context): Promise<ProxyResult>;
}