/**
 * Does nothing to the string
 * @param str
 *
 * @return str unchanged
 */
export declare function NoOp(str: string): string;
/**
 * convert strings like my_camel_string to myCamelString
 *
 * @param str
 *
 * @return myCamelString
 */
export declare function CamelCase(str: string): string;
/**
 * convert strings like MyCamelString to my_camel_string
 *
 * @param str
 *
 * @return my_snake_string
 */
export declare function SnakeCase(str: string): string;
/**
 * convert strings like myCamelCase to my_camel_case
 * @param str
 *
 * @return my_underscore_case
 */
export declare function UnderscoreCase(str: string): string;
/**
 * convert strings like my_camelCase to my-camel-case
 * @param str
 *
 * @return my-dash-case (or kebab-case)
 */
export declare function DashCase(str: string): string;