/**
 * check if string is null, undefined or empty string
 * @param inputString input string
 */
export declare function isNullOrEmptyString(inputString: string): boolean;
/**
 * Convert carriage return to html br tags
 * @param inputString input string
 */
export declare function convertLineBreak(inputString: string): string;
/**
 * Print the nullString when input is null
 * @param input input to test if null
 * @param nullString the string to be display when input is null
 */
export declare function showForNull(input: any, nullString: string): string;
/**
 * Returns the DC image URL based on document ID, width and height
 * @param externalDocumentId image ID
 * @param width image width in pixel
 * @param height image height in pixel
 */
export declare function getImageUrl(externalDocumentId: string, width?: number, height?: number): string;
/**
 * Returns Enum Description
 * @param index index of the enum
 * @param property Enum to check
 */
export declare function getEnumDescription(index: number, property: any): string;
/**
 * Returns Description of complex enum type
 * @param index index of the enum
 * @param property Enum to check
 */
export declare function getComplexEnumDescription(index: number, property: any): string;
export declare function addSpaceToCapitalLetters(str: string): string;
export declare function getImageUrlByImageId(imageId: string, width?: number, height?: number, defaultImage?: boolean): any;
/**
 * Breaks with phone number into 10 digit + extension (if any)
 * @param value raw phone number, could be 10 digit or with extension
 */
export declare function parsePhoneNumber(value: any): {
    phoneNumber: string;
    extension: string;
};
/**
 * Breaks the zip to 5 digit zip + extension (if any)
 * @param value raw zip code, could be 5 digit or with extension
 */
export declare function parseZipCode(value: any): {
    zipCode: string;
    extension: string;
};
export declare function secureValue(stringValue: string | number, showPercentage?: number, backwards?: boolean, ignoredCharacters?: string[]): string;
export declare function splitOrDefaultString(input: string, splitDelimeter: string, emptyValue: any): string[];
export declare function joinOrDefaultString(input: string[], joinDelimeter: string, emptyValue: any): string;
export declare function formatArrayOfStringData(input: any, format: string): any[];
export declare function ignoreEmptySpace(value: string): string;
/**
 * Converts camelCase or PascalCase string to hyphenated format, i.e., camel-case, pascal-case,
 * ignoring white spaces
 * @param value string in camelCase or PascalCase
 */
export declare function toParamCase(value: string): string;
export declare function stringFormat(str: string, ...args: string[]): string;