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## com.fasterxml.jackson.databind.deser
Interface KeyDeserializers

All Known Implementing Classes:
  SimpleKeyDeserializers

    public interface KeyDeserializers

Interface that defines API for simple extensions that can provide additional deserializers for deserializer Map keys of various types, from JSON property names. Access is by a single callback method; instance is to either return a configured `KeyDeserializer` for specified type, or null to indicate that it does not support handling of the type. In latter case, further calls can be made for other providers; in former case returned key deserializer is used for handling of key instances of specified type.

Method Summary
`KeyDeserializer` | `findKeyDeserializer(JavaType type, DeserializationConfig config, BeanDescription beanDesc)`

Method Detail

### findKeyDeserializer

    KeyDeserializer findKeyDeserializer(JavaType type,
                                        DeserializationConfig config,
                                        BeanDescription beanDesc)
                                        throws JsonMappingException

  Throws:
    `JsonMappingException`

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