import { HttpParams } from '@angular/common/http';
export * from './convert';
/**
 * Common utility functions
 */
/**
 * Convert a base64 string to a Buffer
 *
 * @see https://gist.github.com/borismus/1032746
 */
export declare function base64ToBuffer(base64: string): any;
/**
 * Simple debounce; useful when no stream is at play
 */
export declare function debounce(func: Function, wait?: number, immediate?: boolean): Function;
/**
 * Deep copy an object, albeit not terribly efficiently
 */
export declare function deepCopy<T>(obj: T): T;
/**
 * Dump buffer
 */
export declare function dump(data: Uint8Array, title: string, ebcdic?: boolean, color?: string): void;
/**
 * Format a date
 *
 * TODO: localization other than en-US
 */
export declare function formatDate(date: Date, fmt: string): string;
/**
 * Is this object empty?
 */
export declare function isObjectEmpty(obj: any): boolean;
/**
 * Is this object equal to another?
 *
 * NOTE: only a shallow compare
 */
export declare function isObjectEqual(a: any, b: any): boolean;
/**
 * Run code on next tick
 */
export declare function nextTick(f: Function): void;
/**
 * null-safe accessor
 *
 * NOTE: unnecessary if we had a ?. operator
 */
export declare function nullSafe(obj: any, expr: string): any;
/**
 * Parse initial search parameters
 */
export declare function parseInitialSearchParams(): HttpParams;
/**
 * Pluralize a number into a string
 *
 * TODO: localization other than en-US
 */
export declare function pluralize(num: number, mapping: {
    [k: string]: string;
}): string;
/**
 * Simple map reversal
 */
export declare function reverseMap(obj: any): any;
/**
 * Convert to hex, with padding
 */
export declare function toHex(num: number, pad: number): string;