question: public void removePluginInterface ( String interfacename ) throws SMSException , SSOException { SMSEntry . validateToken ( token ) ; validateServiceSchemaManagerImpl ( ) ; Document schemaDoc = ssm . getDocumentCopy ( ) ; Node schemaNode = XMLUtils . getRootNode ( schemaDoc , SMSUtils . SCHEMA ) ; Node pluginNode = XMLUtils . getNamedChildNode ( schemaNode , SMSUtils . PLUGIN_INTERFACE , SMSUtils . NAME , interfacename ) ; if ( pluginNode != null ) { schemaNode . removeChild ( pluginNode ) ; replaceSchema ( schemaDoc ) ; } }
target:  Removes the plugin interface object from the service schema.