ker/mod/tfw.binding.property-manager.js
function getProperties( property ) {
    var properties = property[ PROPERTY_SYMBOL ];
    if ( !Array.isArray( properties ) ) return null;
    return properties;
}
function getProperties( property ) {
    var properties = property[ PROPERTY_SYMBOL ];
    if ( !Array.isArray( properties ) ) return null;
    return properties;
}
function getProperties ( property ) { var properties = property [ PROPERTY_SYMBOL ] ; if ( ! Array . isArray ( properties ) ) return null ; return properties ; }
Return the linkable properties which holds this value, or `null`.
Return the linkable properties which holds this value or null .