code: @Nonnull
    public static XMLDSigValidationResult createReferenceErrors (@Nonnull @Nonempty final List <Integer> aInvalidReferences)
    {
      return new XMLDSigValidationResult (aInvalidReferences);
    }
docs: An invalid reference or references. The verification of the digest of a
  reference failed. This can be caused by a change to the referenced data
  since the signature was generated.
  
  @param aInvalidReferences
  The indices to the invalid references.
  @return Result object