import { INodeManifestOut, IPageData, IPageDataJsonParams, IProxyRequestError } from "./types";
/**
 * Returns a fixed path for requesting page-data.json files.
 */
export declare function fixedPagePath(pagePath: string): string;
/**
 * If the request would result in CORS errors, it is proxied automatically through a Gatsby function on Gatsby Cloud (proxying only works when this function is called from within Gatsby Cloud).
 */
export declare const maybeProxiedRequest: ({ url, skipJson, }: {
    url: string;
    skipJson?: boolean;
}) => Promise<{
    data?: any;
    exists?: boolean;
    statusCode?: number;
    error?: IProxyRequestError | Error;
    passwordProtected?: true;
}>;
/**
 * Used to check if a redirect url exists before we redirect the user.
 */
export declare const doesUrlExist: (url: string) => Promise<boolean>;
export declare const fetchPageDataJson: ({ manifest, frontendUrl, }: IPageDataJsonParams) => Promise<null | IPageData>;
export declare const doesPageManifestIdMatch: (params: IPageDataJsonParams, pageDataJson?: IPageData | null) => Promise<boolean>;
/**
 * Waits for the redirect url to be available
 * then checks the manifest.pageDataDigest against the sites page-data.json to make sure the page-data.json has finished deploying and propagating
 */
export declare const waitForPageDataToBeDeployed: ({ redirectUrl, manifest, frontendUrl, }: {
    redirectUrl: string;
    manifest?: INodeManifestOut;
    frontendUrl: string;
}) => Promise<true | undefined>;
/**
 * Fetches the corresponding node manifest file from the users Gatsby site
 */
export declare const fetchNodeManifest: ({ manifestId, sourcePluginName, pollCallback, frontendUrl, setShowError, }: {
    manifestId: string;
    siteId: string | null;
    sourcePluginName: string;
    pollCallback: (() => void) | undefined;
    frontendUrl: string;
    setShowError: (arg: boolean) => void;
}) => Promise<{
    manifest?: INodeManifestOut;
    error?: IProxyRequestError | Error;
    shouldPoll: boolean;
    loadingDuration?: number;
    redirectUrl?: string;
}>;
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