export declare enum LinkState {
    OK = "OK",
    BROKEN = "BROKEN",
    SKIPPED = "SKIPPED"
}
export type RetryAfterHeaderInfo = {
    type: 'retry-after';
    url: string;
    status: number;
    secondsUntilRetry: number;
    retryAfterRaw: string;
};
export type RetryNoHeaderInfo = {
    type: 'retry-no-header';
    url: string;
    status: number;
    secondsUntilRetry: number;
    currentAttempt: number;
    maxAttempts: number;
};
export type RetryErrorInfo = {
    type: 'retry-error';
    url: string;
    status: number;
    secondsUntilRetry: number;
    currentAttempt: number;
    maxAttempts: number;
    jitter: number;
};
export type RetryInfo = RetryAfterHeaderInfo | RetryNoHeaderInfo | RetryErrorInfo;
export type FailureDetails = {
    cause: unknown;
    message: string;
} | {
    status: number;
    statusText: string;
    headers: {
        [k: string]: string;
    };
    ok: boolean;
    url: string;
    body: ReadableStream | null;
};
export type LinkResult = {
    url: string;
    status?: number;
    state: LinkState;
    parent?: string;
    failureDetails?: Array<FailureDetails>;
    elementMetadata?: ElementMetadata;
};
export type ElementMetadata = {
    tag: string;
    [key: string]: string;
};
export type CrawlResult = {
    passed: boolean;
    links: LinkResult[];
};