# Uses of Interface
com.sas.metadata.remote.AbstractExtension

Packages that use AbstractExtension
Package
Description
com.sas.metadata.remote
Provides a java object interface to the metadata server using the SAS/Open Metadata Architecture.

- ## Uses of AbstractExtension in com.sas.metadata.remote

  Subinterfaces of AbstractExtension in com.sas.metadata.remote
  Modifier and Type
  Interface
  Description
  `interface`
  `Extension`
  Extension enables end users and application developers to define additional attributes that are not part of an object's metadata type definition.
  `interface`
  `NumericExtension`
  This allows an application to create a numeric extension to any object.