import { PromiseObject, ErrorResponse, TransferSpec, TransferSpecPath, FeatureFlags } from '../models/models';
/**
 * Generates promise object that can be resolved or rejected via functions
 *
 * @returns an object containing the promise, the resolver and rejecter
 */
export declare const generatePromiseObjects: () => PromiseObject;
/**
 * Log errors from HTTP Gateway SDK
 *
 * @param message the message indicating the error encountered
 * @param debugData the data with useful debugging information
 */
export declare const errorLog: (message: string, debugData?: any) => void;
/**
 * Generate error object for rejecter responses
 *
 * @param message the message indicating the error encountered
 * @param debugData the data with useful debugging information
 *
 * @returns object containing standardized error response
 */
export declare const generateErrorBody: (message: string, debugData?: any) => ErrorResponse;
/**
 * Validate if URL is valid URL
 *
 * @param serverUrl the url to test
 *
 * @returns boolean indicating whether supplied url is valid
 */
export declare const isValidUrl: (url: any) => boolean;
/**
 * Validate if transferSpec is valid for server communication
 *
 * @param transferSpec the transferSpec to test
 *
 * @returns boolean indicating whether supplied transferSpec is valid
 */
export declare const isValidTransferSpec: (transferSpec: TransferSpec) => boolean;
/**
 * Get files from a form
 *
 * @param children form children list
 *
 * @returns an array of Files pulled from an HTML form
 */
export declare const checkChildrenForFiles: (children: NodeList) => File[];
/**
 * Validate if form has required items
 *
 * @param form HTML form element
 */
export declare const isValidForm: (form: HTMLFormElement) => boolean;
/**
 * Take a list of files and match them to a provided transferSpec to find only files to use
 *
 * @param files list of files in JavaScript memory
 * @param transferSpec the transferSpec to compare to for what files to use
 */
export declare const parseFilesFromSpec: (files: File[], transferSpec: TransferSpec) => File[];
/**
 * Take a transferSpec and find folders being used in the form and explode for uploading and explode transferSpec to know all files in folder
 *
 * @param formId the form item to use for parsing
 * @param transferSpec he transfer spec to test with for file list
 *
 * @returns object with files to add to upload and a new transferSpec Path array to use with exploded files
 */
export declare const folderTransferSpecExplode: (formId: string, transferSpec: TransferSpec) => {
    files: File[];
    newPath: TransferSpecPath[];
};
/**
 * Return array of File items to use for transfer
 *
 * @param formId the form item to use for parsing
 * @param transferSpec the transfer spec to test with for file list
 *
 * @returns the array of Files to use
 */
export declare const getFilesForTransfer: (formId: string, transferSpec: TransferSpec) => Array<File>;
/**
 * Convert an irritable into an array. This is useful for taking Maps and making Arrays (Map.values() Map.keys())
 *
 * @param iterable - an iterable to take and convert to an array
 *
 * @returns an array containing the iterable values
 */
export declare const iterableToArray: (iterable: IterableIterator<unknown>) => any[];
/**
 * Figure out which feature to use based on current version of system.
 *
 * @param featureFlag - name of the feature flag to test
 *
 * @returns indicator if feature should be used
 */
export declare const getFeatureFlag: (featureFlag: FeatureFlags) => boolean;
/**
 * Returns a string indicating the websocket URL to use for talking to the server
 *
 * @returns a string of the full Websocket URL
 */
export declare const getWebsocketUrl: (serverUrl: string, protocol: string) => string;
declare const _default: {
    generatePromiseObjects: () => PromiseObject;
    errorLog: (message: string, debugData?: any) => void;
    generateErrorBody: (message: string, debugData?: any) => ErrorResponse;
    isValidUrl: (url: any) => boolean;
    isValidTransferSpec: (transferSpec: TransferSpec) => boolean;
    checkChildrenForFiles: (children: NodeList) => File[];
    isValidForm: (form: HTMLFormElement) => boolean;
    getFilesForTransfer: (formId: string, transferSpec: TransferSpec) => File[];
    folderTransferSpecExplode: (formId: string, transferSpec: TransferSpec) => {
        files: File[];
        newPath: TransferSpecPath[];
    };
    parseFilesFromSpec: (files: File[], transferSpec: TransferSpec) => File[];
    iterableToArray: (iterable: IterableIterator<unknown>) => any[];
    getFeatureFlag: (featureFlag: "noBase64Encoding") => boolean;
};
export default _default;