FieldBase Properties

Array may have this many entries, if equal to ArrayMinLength then it is a fixed length array

Array must have this many entries

Provider to convert to and from text

Do we process this field but not store the value

type of object to be created, eg DateTime

Is this field an array?

The field must be not be empty

The field may not be present on the input data (line not long enough)

indicates whether we trim leading and/or trailing whitespace