@Nullable
 public GoType getGoType(ResolveState context) {
   return GoPsiImplUtil.getGoType(this, context);
 }
 @NotNull
 public String getName() {
   return GoPsiImplUtil.getName(this);
 }
 public int getTextOffset() {
   return GoPsiImplUtil.getTextOffset(this);
 }
 @Nullable
 public PsiElement getIdentifier() {
   return GoPsiImplUtil.getIdentifier(this);
 }