@web5/agent/dist/types/utils.d.ts

import type { DidUrlDereferencer } from '@web5/dids';
import { PaginationCursor, RecordsDeleteMessage, RecordsWriteMessage } from '@tbd54566975/dwn-sdk-js';
import { Readable } from '@web5/common';
import { ReadableWebToNodeStream } from 'readable-web-to-node-stream';
import { DateSort, RecordsWrite } from '@tbd54566975/dwn-sdk-js';
export declare function blobToIsomorphicNodeReadable(blob: Blob): Readable;
export declare function getDwnServiceEndpointUrls(didUri: string, dereferencer: DidUrlDereferencer): Promise<string[]>;
export declare function getRecordAuthor(record: RecordsWriteMessage | RecordsDeleteMessage): string | undefined;
/**
 * Get the `protocolRole` string from the signature payload of the given RecordsWriteMessage or RecordsDeleteMessage.
 */
export declare function getRecordProtocolRole(message: RecordsWriteMessage | RecordsDeleteMessage): string | undefined;
export declare function isRecordsWrite(obj: unknown): obj is RecordsWrite;
/**
 * Get the CID of the given RecordsWriteMessage.
 */
export declare function getRecordMessageCid(message: RecordsWriteMessage): Promise<string>;
/**
 *  Get the pagination cursor for the given RecordsWriteMessage and DateSort.
 *
 * @param message The RecordsWriteMessage for which to get the pagination cursor.
 * @param dateSort The date sort that will be used in the query or subscription to which the cursor will be applied.
 */
export declare function getPaginationCursor(message: RecordsWriteMessage, dateSort: DateSort): Promise<PaginationCursor>;
export declare function webReadableToIsomorphicNodeReadable(webReadable: ReadableStream<any>): ReadableWebToNodeStream;
/**
 * Polling function with interval, TTL accepting a custom fetch function
 * @template T - the return you expect from the fetcher
 * @param fetchFunction an http fetch function
 * @param [interval=3000] how frequently to poll
 * @param [ttl=300_000] how long until polling stops
 * @returns T - the result of fetch
 */
export declare function pollWithTtl(fetchFunction: () => Promise<Response>, interval?: number, ttl?: number, abortSignal?: AbortSignal): Promise<Response | null>;
/** Concatenates a base URL and a path ensuring that there is exactly one slash between them */
export declare function concatenateUrl(baseUrl: string, path: string): string;
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