boolean (final PsiType type) { if (myContext == null) { return true; } if (type == null) { return true; } return type.accept(new PsiTypeVisitor<Boolean>() { @Override public Boolean visitType(@NotNull final PsiType type) { return Boolean.TRUE; } @Override public Boolean visitArrayType(@NotNull final PsiArrayType arrayType) { return arrayType.getDeepComponentType().accept(this); } @Override public Boolean visitWildcardType(@NotNull final PsiWildcardType wildcardType) { final PsiType bound = wildcardType.getBound(); if (bound != null) { bound.accept(this); } return Boolean.TRUE; } @Override public Boolean visitClassType(@NotNull final PsiClassType classType) { final PsiClassType.ClassResolveResult result = classType.resolveGenerics(); final PsiClass aClass = result.getElement(); final PsiSubstitutor aSubst = result.getSubstitutor(); if (aClass != null) { final PsiManager manager = aClass.getManager(); final JavaPsiFacade facade = JavaPsiFacade.getInstance(manager.getProject()); if (aClass instanceof PsiTypeParameter) { final PsiTypeParameterListOwner owner = PsiTreeUtil.getParentOfType(myContext, PsiTypeParameterListOwner.class); if (owner != null) { boolean found = false; for (PsiTypeParameter typeParameter : PsiUtil.typeParametersIterable(owner)) { found = manager.areElementsEquivalent(typeParameter, aClass); if (found) break; } if (!found) { return Boolean.FALSE; } } else { return Boolean.FALSE; } } else if (!facade.getResolveHelper().isAccessible(aClass, myContext, null)) { return Boolean.FALSE; } for (PsiTypeParameter parm : PsiUtil.typeParametersIterable(aClass)) { final PsiType type = aSubst.substitute(parm); if (type != null) { final Boolean b = type.accept(this); if (!b.booleanValue()) { return Boolean.FALSE; } } } return Boolean.TRUE; } else { return Boolean.FALSE; } } }).booleanValue(); }