2.     // Controls if the fade is currently showing or not (default: true)
    3.     in: PropTypes.bool, 
    5.     // All of these match  props
    6.     mountOnEnter: PropTypes.bool,
    7.     unmountOnExit: PropTypes.bool,
    8.     appear: PropTypes.bool, // (default: true)
    9.     enter: PropTypes.bool,  // (default: true)
    10.     exit: PropTypes.bool,   // (default: true)
    11.     timeout: PropTypes.oneOfType([ // (default: 150)
    12.         PropTypes.number,
    13.         PropTypes.shape({
    15.         }).isRequired,
    16.     ]),
    17.     addEndListener: PropTypes.func,
    18.     onEnter: PropTypes.func,
    19.     onEntering: PropTypes.func,
    20.     onEntered: PropTypes.func,
    21.     onExit: PropTypes.func,
    22.     onExiting: PropTypes.func,
    23.     onExited: PropTypes.func,
    25.     // The component(s) that should be faded
    26.     children: PropTypes.oneOfType([
    27.         PropTypes.arrayOf(PropTypes.node),
    28.     ]),
    29.     // Pass in a component or primitive component name to override the default element
    30.     // (default: 'div')
    31.     tag: PropTypes.oneOfType([PropTypes.string, PropTypes.func]),
    32.     // Class always applied to the Fade element (default: 'fade')
    33.     baseClass: PropTypes.string,
    34.     // Class applied to transition the Fade element in (default: 'show')
    35.     baseClassActive: PropTypes.string,
    36.     // Other classes that should always be applied
    37.     className: PropTypes.string,
    38.     cssModule: PropTypes.object,
    40.     // Any other props provided will be applied to the element created (specified by tag)