/**
 * Converts a value to a boolean
 *
 * @param {*} value
 * @param {*} defaultValue
 */
export declare function toBoolean(value: (boolean | number | string), defaultValue?: boolean): boolean;
/**
 *
 * @param {*} value
 * @param {*} defaultValue
 */
export declare function toInteger(value: any, defaultValue?: number): number;
/**
 * @param value
 * @param defaultValue
 */
export declare function toNumber(value: any, defaultValue?: number): number;
/**
 * Capitalises a string
 *
 */
export declare function toCapitalized(str: string): string;
export declare function toKebabCase(str: string, joinChar?: string): string;
export declare function toSnakeCase(str: string): string;
/**
 *   Converts a string so that the words are CapitalisedAndConcatenated
 */
export declare function toPascalCase(str: string, joinChar?: string): string;
/**
*   Converts a string so that the words are capitalisedAndConcatenated
*/
export declare function toCamelCase(str: string, joinChar?: string): string;
/**
 * Converts all the keys in an object to Camelcase
 *
 * @param obj
 */
export declare const objectKeysToCamelCase: (obj: any) => {};