src/fieldMapper/index.js
'use strict'
import { FieldMapper } from './field.mapper'
import { PassthroughFieldMapper } from './passthrough.field.mapper'
import { CustomFieldMapper } from './custom.field.mapper'
import { SubTransformFieldMapper } from './subtransform.field.mapper'
export {
FieldMapper,
PassthroughFieldMapper,
CustomFieldMapper,
SubTransformFieldMapper
}