line: b.line,
			col:  b.col,
			msg:  err.Error(),
		}
	}
	return nil
}

// BatchJobSizeFilter supports size based filters - LesserThan and GreaterThan
type BatchJobSizeFilter struct {
	line, col  int
	UpperBound BatchJobSize `yaml:"lessThan" json:"lessThan"`
	LowerBound BatchJobSize `yaml:"greaterThan" json:"greaterThan"`
}

# map:{
#     # This means that String includes GreaterThan at MEMBER.MEMBER_ACCOUNT only
#     # and LessThan at PRODUCT.PRODUCT_NAME and PRODUCT.PRODUCT_HANDLE_CODE,
#     # and InScope for LONGVARCHAR(e.g. text type) is excluded.
#     ; String = map:{
#         ; GreaterThan = map:{ MEMBER = list:{ MEMBER_ACCOUNT } }
#         ; LessThan = map:{ PRODUCT = list:{ PRODUCT_NAME ; PRODUCT_HANDLE_CODE } }

      metadata:
        - key: content-type
          value: image/* # match objects with 'content-type', all values starting with 'image/'
      size:
        lessThan: "10MiB" # match objects with size less than this value (e.g. 10MiB)
        greaterThan: 1MiB # match objects with size greater than this value (e.g. 1MiB)
      purge:

                            const char* name = "min");

TF_Operation* Neg(TF_Operation* n, TF_Graph* graph, TF_Status* s,
                  const char* name = "neg");

TF_Operation* LessThan(TF_Output l, TF_Output r, TF_Graph* graph, TF_Status* s);

TF_Operation* RandomUniform(TF_Operation* shape, TF_DataType dtype,
                            TF_Graph* graph, TF_Status* s);

}

// Validate - validates the filter element
func (f Filter) Validate() error {
	if f.IsEmpty() {
		return errXMLNotWellFormed
	}
	// A Filter must have exactly one of Prefix, Tag,
	// ObjectSize{LessThan,GreaterThan} or And specified.
	type predType uint8
	const (
		nonePred predType = iota
		prefixPred
		andPred
		tagPred
		sizeLtPred
		sizeGtPred
	)
	var predCount int
	var pType predType