GrParameter (@NotNull PsiSubstitutor substitutor, @NotNull PsiMethod context, @NotNull GrParameterList parameterList, @NotNull JavaParameterInfo newParameter, @NotNull String newName) { GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(parameterList.getProject()); String typeText = newParameter.getTypeText(); if (newParameter instanceof GrParameterInfo && (typeText.isEmpty() || "def".equals(typeText))) { return factory.createParameter(newName, null, getInitializer(newParameter), parameterList); } PsiType type = substitutor.substitute(newParameter.createType(context, parameterList.getManager())); return factory.createParameter(newName, type == null ? null : type.getCanonicalText(), getInitializer(newParameter), parameterList); }