import type { Page } from "playwright";
export type NetworkError = {
    readonly method: string;
    readonly resourceType: string;
    readonly status: number;
    readonly statusText: string;
    readonly timestamp: number;
    readonly url: string;
};
export declare class NetworkMonitor {
    readonly name: string;
    /** Only 4xx errors. */
    get clientErrors(): readonly NetworkError[];
    /** All recorded 4xx/5xx errors. */
    get errors(): readonly NetworkError[];
    /** Only 5xx errors. */
    get serverErrors(): readonly NetworkError[];
    private _errors;
    private _page;
    constructor(name: string);
    /** Assert zero HTTP errors were recorded, with optional URL exclusions. */
    assertClean(options?: {
        exclude?: RegExp[];
    }): void;
    /** Assert zero 5xx errors were recorded, with optional URL exclusions. */
    assertNoServerErrors(options?: {
        exclude?: RegExp[];
    }): void;
    /** Bind to a page. Throws if already bound — one monitor per page. */
    install(page: Page): void;
    /** Reset collected errors (useful mid-flow if only a specific section matters). */
    reset(): void;
    private _filtered;
}
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