export declare function safeEnumValue<T extends {
    [key: string]: string | number;
}>(enumData: T, key: string | keyof T): T[keyof T];
/**
 * List enum keys. It works for string and number enum where Object.keys will returns both key and values.
 *
 * ```typescript
 * enum EnumString {
 *  A = 'MyValueA',
 *  B = 'MyValueB
 * }
 *
 * expect(listEnumKeys(EnumString)).to.be.eq(['A', 'B']);
 * expect(Object.keys(EnumString)).to.be.eq(['A', 'B', 'MyValueA', 'MyValueB']);
 * ```
 * @param enumType
 */
export declare function listEnumKeys<T>(enumType: T): string[];
/**
 * List enum values
 * @param enumType
 */
export declare function listEnumValues<T>(enumType: T): (string | number)[];