import { PieContent, PieItemElement, PieModel } from "../interface";
export declare const createTag: (npmPkg: any) => string;
/**
 * Replaces all user-defined element name mappings with ones derived from
 * the NPM package name.
 * @param content the content to normalize
 */
export declare const normalizeContentElements: (content: PieContent) => PieContent;
/**
 * Convert an npm package to html valid element name by replacing
 * all special chars with `-`
 * @param npmPackage npm package to convert
 */
export declare const packageToElementName: (npmPackage: string) => string;
export declare const getPackageWithoutVersion: (packages: any) => string;
/**
 * See if the `PieContent.elements` set contains the provided package.
 *
 * @param elements the elements dict
 * @param npmPackage the npm package to locate
 */
export declare const elementsHasPackage: (elements: PieItemElement, npmPackage: string) => boolean;
/**
 * Gets all models defined for a given npmPacakge in `PieContent`
 * @param pieContent the pie content
 * @param npmPackage npm package name
 */
export declare const modelsForPackage: (pieContent: PieContent, npmPackage: string) => PieModel[];
/**
 * Gets the element tag defined for a package.
 * @param pieContent the pie content
 * @param npmPackage npm package name
 */
export declare const elementForPackage: (pieContent: PieContent, npmPackage: string) => string;
export declare const getPackageBundleUri: (pies: PieItemElement) => string;
export declare const pieContentFromConfig: (config: any) => PieContent;
export declare const patchMDCSwitchFocus: (element: any) => void;
/**
 * Creates short id for use within pie models.
 * Can be used to create random element tag or model id.
 */
export declare const pieShortIdGenerator: () => string;
/**
 * Check if an error is a network error
 */
export declare const isNetworkError: (error: Error) => boolean;
/**
 * Execute an async function and retry with exponential backoff
 * based on the maximum retry attempts it can perform.
 *
 * @param fn: Promise-returning function to retry.
 * @param maxRetries: The maximum number of times to attempt the function.
 * @param delay: The delay, in milliseconds.
 */
export declare const withRetry: <E>(fn: (currentDelay: number, attempt: number) => Promise<E>, maxRetries: number, delay?: number, maxDelay?: number) => Promise<E>;