import { EmbedElem, GetEmbedProvider, OEmbedProvider, OEmbedProviderEndpoint, OEmbedVideo, ProviderOptions } from './types';
/**
 * Factory function which returns a method to get OEmbedProviderEndpoint for
 * specified url, so we could pass it to Embed ArenaNode
 * @param providers OEmbedProvider[]
 * @param opts optional ProviderOptions[]
 * @returns (url: string): GetEmbedProviderResult | undefined
 */
export declare const providerGetter: (providers: OEmbedProvider[], opts?: ProviderOptions[] | undefined) => GetEmbedProvider;
/**
 * Construct url according to https://oembed.com to fetch embed
 * @param endpoint OEmbedProviderEndpoint
 * @param url string - url of the shared resource (post, video, etc...) to embed
 * @param opts optional ProviderOptions
 * @returns string
 */
export declare const getEmbedUrl: (endpoint: OEmbedProviderEndpoint, url: string, opts?: ProviderOptions | undefined) => string;
export declare const fetchEmbedData: (url: string) => Promise<OEmbedVideo>;
/**
 * This function processes html field of the response from provider endpoint
 * e.g. https://oembed.com/#section5
 * The html string can contain <script> elements which won't be processed by
 * the browser. So here we use a hack to create script element with the same
 * attributes as were in original html script element. Then we delete the old
 * script element from the html DOM tree.
 * @param html string - html field of video response https://oembed.com/#section5
 * @returns HTMLElement
 */
export declare const processEmbedHtml: (html: string) => HTMLElement;
/**
 * This function checks if provided utl pattern matches one of embed services
 * defined at embedServices.ts
 * @param url string - url of shared post, video etc...
 * @returns EmbedElem
 */
export declare const createElemEmbed: (url: string) => EmbedElem | undefined;