import { Pipeline, PipelineEntry, MiddlewareMethod } from '../types/middleware';
export default class MiddlewarePipeline<T, U> implements Pipeline<T, U> {
    private entries;
    insertFirst(entry: PipelineEntry<T, U>): void;
    insertLast(entry: PipelineEntry<T, U>): void;
    insertBefore(middlewareName: string, entry: PipelineEntry<T, U>): void;
    insertAfter(middlewareName: string, entry: PipelineEntry<T, U>): void;
    getMethods(): MiddlewareMethod<T, U>[];
}