How to use

addDefinitionsToList

method

in

org.apache.tools.ant.types.CommandlineJava$SysProperties

/**
 * Get the properties as an array; this is an override of the
 * superclass, as it evaluates all the properties.
 * @return the array of definitions; may be null.
 * @throws BuildException on error.
 */
@Override
public String[] getVariables() throws BuildException {
  List<String> definitions = new LinkedList<>();
  addDefinitionsToList(definitions.listIterator());
  if (definitions.isEmpty()) {
    return null;
  }
  return definitions.toArray(new String[definitions.size()]);
}

sysProperties.addDefinitionsToList(listIterator);
  ps.appendBuiltin(sys);
  clonedSysProperties.addSyspropertyset(ps);
  clonedSysProperties.addDefinitionsToList(listIterator);