Interface Exportable

Define an interface for all ODD exportable objects.

Package: Elgg\Core\ODD
Located at Exportable.php

Methods summary
`public object`	# `export( )` This must take the contents of the object and convert it to exportable ODD This must take the contents of the object and convert it to exportable ODD Returns `object` or array of objects.
`public array`	# `getExportableValues( )` Return a list of all fields that can be exported. This should be used as the basis for the values returned by export() Return a list of all fields that can be exported. This should be used as the basis for the values returned by export() Returns `array`