code: @Override
  	/* @Nullable */
  	public FunctionTypeReference tryConvertToFunctionTypeReference(boolean rawType) {
  		FunctionTypes functionTypes = getServices().getFunctionTypes();
  		return functionTypes.tryConvertToFunctionTypeReference(this, rawType);
  	}
docs: {@inheritDoc}
  
  @see FunctionTypes#tryConvertToFunctionTypeReference(ParameterizedTypeReference, boolean)