# Package com.fasterxml.jackson.databind.jsontype.impl

Package that contains standard implementations for `TypeResolverBuilder` and `TypeIdResolver`.

See: Description

- Class Summary
  Class | Description
  --- | ---
  AsArrayTypeDeserializer | Type deserializer used with `JsonTypeInfo.As.WRAPPER_ARRAY` inclusion mechanism.
  AsArrayTypeSerializer | Type serializer that will embed type information in an array, as the first element, and actual value as the second element.
  AsExistingPropertyTypeSerializer | Type serializer used with `JsonTypeInfo.As.EXISTING_PROPERTY` inclusion mechanism.
  AsExternalTypeDeserializer | Type deserializer used with `JsonTypeInfo.As.EXTERNAL_PROPERTY` inclusion mechanism.
  AsExternalTypeSerializer | Type serializer that preferably embeds type information as an "external" type property; embedded in enclosing JSON object.
  AsPropertyTypeDeserializer | Type deserializer used with `JsonTypeInfo.As.PROPERTY` inclusion mechanism.
  AsPropertyTypeSerializer | Type serializer that preferably embeds type information as an additional JSON Object property, if possible (when resulting serialization would use JSON Object).
  AsWrapperTypeDeserializer | Type deserializer used with `JsonTypeInfo.As.WRAPPER_OBJECT` inclusion mechanism.
  AsWrapperTypeSerializer | Type wrapper that tries to use an extra JSON Object, with a single entry that has type name as key, to serialize type information.
  ClassNameIdResolver | `TypeIdResolver` implementation that converts between fully-qualified Java class names and (JSON) Strings.
  LaissezFaireSubTypeValidator | Default `PolymorphicTypeValidator` used unless explicit one is constructed (and, in 2.11, `MapperFeature.BLOCK_UNSAFE_POLYMORPHIC_BASE_TYPES` not enabled).
  MinimalClassNameIdResolver |
  StdSubtypeResolver | Standard `SubtypeResolver` implementation.
  StdTypeResolverBuilder | Default `TypeResolverBuilder` implementation.
  SubTypeValidator | Helper class used to encapsulate rules that determine subtypes that are invalid to use, even with default typing, mostly due to security concerns.
  TypeDeserializerBase | Base class for all standard Jackson `TypeDeserializer`s.
  TypeIdResolverBase | Partial base implementation of `TypeIdResolver`: all custom implementations are strongly recommended to extend this class, instead of directly implementing `TypeIdResolver`.
  TypeNameIdResolver |
  TypeSerializerBase |

## Package com.fasterxml.jackson.databind.jsontype.impl Description

Package that contains standard implementations for `TypeResolverBuilder` and `TypeIdResolver`.

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