@Nullable
  public static PsiElement getBody(PsiElement method) {
    if (method instanceof PsiParameterListOwner) {
      return ((PsiParameterListOwner)method).getBody();
    }
    else if (method instanceof PsiClassInitializer) {
      return ((PsiClassInitializer)method).getBody();
    }
    return null;
  }
@Nullable
  public static PsiElement getBody(PsiElement method)