Interfaces for schema entity registries are contained here.
'org.apache.directory.server:apacheds-schema-registries:1.5.1'
<dependency>
<groupId>org.apache.directory.server</groupId>
<artifactId>apacheds-schema-registries</artifactId>
<version>1.5.1</version>
</dependency>
<dependency org="org.apache.directory.server" name="apacheds-schema-registries" rev="1.5.1"/>
"org.apache.directory.server", "apacheds-schema-registries", "1.5.1"