CountValueIgnored means that the current value is ignored in the current query.

event status as shown in API.

event type as shown in API.

name of the field groups as shown in API.

FieldMissing used in a query, means that the resource should not have this field defined.

NullValue used in a query, means that the resource should have this field defined.

Field is a searchable attribute on a resource.It also includes the possible values and their respective count.

FieldGroup regroups some fields.

FieldValue is a value associated with a field.The count is the number of resources with this field value.

TODO store provider info in resource (needed when we can have more than one provider).