package consulo.csharp.lang.psi; import org.jetbrains.annotations.NotNull; import com.intellij.psi.PsiElement; import com.intellij.psi.PsiReference; import consulo.annotations.RequiredReadAction; /** * @author VISTALL * @since 07-Jan-17 */ public interface CSharpReferenceWithValidation extends PsiReference { @NotNull @RequiredReadAction default String getErrorMessage(@NotNull PsiElement element) { return "Not resolved"; } }