Values.MappingRuleSourceA single mapping entry for each supported specifier or sub-field.
type nonrec t = {specifier : MappingRuleSpecifierString.t;Specifier within a certificate field, such as CN, OU, or UID from the Subject field.
*)}val to_value :
t ->
[> `Structure of (string * [> `String of MappingRuleSpecifierString.t ]) list ]