valid

var (
	ErrDTableNameEmpty       = errors.New("name of decision table is required")
	ErrDTableKeyEmpty        = errors.New("definition key of decision table is required")
	ErrDTableHitPolicy       = errors.New("hit policy of decision table is invalid")
	ErrDTableCollectOperator = errors.New("collect operator of decision table is invalid")
	ErrDTableInputEmpty      = errors.New("at least one input is required")
	ErrDTableOutputEmpty     = errors.New("at least one output is required")

	ErrDTableFieldIdIsEmpty  = errors.New("field id is empty")
	ErrDTableFieldTypInvalid = errors.New("field type is invalid")

	ErrRuleHaveDifferentAmountOfInputFields  = errors.New("amount of input entries does not match input fields of decision table")
	ErrRuleHaveDifferentAmountOfOutputFields = errors.New("amount of output entries does not match input fields of decision table")
	ErrDTableEntryExpressionLangInvalid      = errors.New("entry expression language of the table standard is invalid")
	ErrDTableEntryReferencedFieldTypInvalid  = errors.New("referenced field type does not match field type")
)