code: @Deprecated
  	public <T> List<T> getImplementors (String packageName, Class<T> classType) {
  		return this.getImplementors(null, packageName, classType);
      }
docs: Gets a list of classes that implement the given type in the given package.
  <p>
  It searches in the dependencies, add-ons, and the ZAP JAR.
  
  @param packageName the name of the package that the classes must be in.
  @param classType the type of the classes.
  @return a list with the classes that implement the given type, never {@code null}.
  @deprecated (TODO add version) The use of this method is discouraged (specially during ZAP startup, as it's delayed),
  it's preferable to provide means to register/declare the required classes instead of searching "everywhere".