proposal/mutant/src/main/org/apache/ant/component/core/antlib.xml

<antlib>
   <!-- Tasks -->
   <taskdef name="property" classname="org.apache.ant.component.core.Property"/>
   <taskdef name="echo" classname="org.apache.ant.component.core.Echo"/>
   
   <!-- Data Types -->
   <taskdef name="patternset" classname="org.apache.ant.core.types.PatternSet"/>
   <taskdef name="fileset" classname="org.apache.ant.core.types.FileSet"/>
   
   <!-- Converters -->
   <converter target="java.io.File" classname="org.apache.ant.component.core.FileConverter"/>
   <converter target="java.net.URL" classname="org.apache.ant.component.core.URLConverter"/>
   <converter target="org.apache.ant.core.types.EnumeratedAttribute" 
              classname="org.apache.ant.component.core.EnumeratedAttributeConverter"/>
              
   <!-- Aspect Handlers -->
   <aspect prefix="ant" classname="org.apache.ant.component.core.AntAspectHandler"/>              
</antlib>