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  package com.fasterxml.jackson.databind;
  
Enumeration that defines simple on/off features to set for ObjectMapper, and accessible (but not changeable) via ObjectReader and ObjectWriter (as well as through various convenience methods through context objects).

Note that in addition to being only mutable via ObjectMapper, changes only take effect when done before any serialization or deserialization calls -- that is, caller must follow "configure-then-use" pattern.

 
 public enum MapperFeature implements ConfigFeature
 {
     /*
     /******************************************************
     /*  Introspection features
     /******************************************************
      */
    
    
Feature that determines whether annotation introspection is used for configuration; if enabled, configured AnnotationIntrospector will be used: if disabled, no annotations are considered.

Feature is enabled by default.

 
     USE_ANNOTATIONS(true),

    
Feature that determines whether "creator" methods are automatically detected by consider public constructors, and static single argument methods with name "valueOf". If disabled, only methods explicitly annotated are considered creator methods (except for the no-arg default constructor which is always considered a factory method).

Note that this feature has lower precedence than per-class annotations, and is only used if there isn't more granular configuration available.

Feature is enabled by default.

 
     AUTO_DETECT_CREATORS(true),
    
    
Feature that determines whether non-static fields are recognized as properties. If yes, then all public member fields are considered as properties. If disabled, only fields explicitly annotated are considered property fields.

Note that this feature has lower precedence than per-class annotations, and is only used if there isn't more granular configuration available.

Feature is enabled by default.

 
      AUTO_DETECT_FIELDS(true),
    
    
Feature that determines whether regualr "getter" methods are automatically detected based on standard Bean naming convention or not. If yes, then all public zero-argument methods that start with prefix "get" are considered as getters. If disabled, only methods explicitly annotated are considered getters.

Note that since version 1.3, this does NOT include "is getters" (see AUTO_DETECT_IS_GETTERS for details)

Note that this feature has lower precedence than per-class annotations, and is only used if there isn't more granular configuration available.

Feature is enabled by default.

 
     AUTO_DETECT_GETTERS(true),

    
Feature that determines whether "is getter" methods are automatically detected based on standard Bean naming convention or not. If yes, then all public zero-argument methods that start with prefix "is", and whose return type is boolean are considered as "is getters". If disabled, only methods explicitly annotated are considered getters.

Note that this feature has lower precedence than per-class annotations, and is only used if there isn't more granular configuration available.

Feature is enabled by default.

 
     AUTO_DETECT_IS_GETTERS(true),

     
Feature that determines whether "setter" methods are automatically detected based on standard Bean naming convention or not. If yes, then all public one-argument methods that start with prefix "set" are considered setters. If disabled, only methods explicitly annotated are considered setters.

Note that this feature has lower precedence than per-class annotations, and is only used if there isn't more granular configuration available.

Feature is enabled by default.

     AUTO_DETECT_SETTERS(true),
     
     
Feature that determines whether getters (getter methods) can be auto-detected if there is no matching mutator (setter, constructor parameter or field) or not: if set to true, only getters that match a mutator are auto-discovered; if false, all auto-detectable getters can be discovered.

Feature is disabled by default.

     REQUIRE_SETTERS_FOR_GETTERS(false),

     
Feature that determines whether otherwise regular "getter" methods (but only ones that handle Collections and Maps, not getters of other type) can be used for purpose of getting a reference to a Collection and Map to modify the property, without requiring a setter method. This is similar to how JAXB framework sets Collections and Maps: no setter is involved, just setter.

Note that such getters-as-setters methods have lower precedence than setters, so they are only used if no setter is found for the Map/Collection property.

Feature is enabled by default.

     USE_GETTERS_AS_SETTERS(true),

     
Feature that determines whether method and field access modifier settings can be overridden when accessing properties. If enabled, method java.lang.reflect.AccessibleObject.setAccessible(boolean) may be called to enable access to otherwise unaccessible objects.

Feature is enabled by default.

    CAN_OVERRIDE_ACCESS_MODIFIERS(true),
    /*
    /******************************************************
    /* Type-handling features
    /******************************************************
     */

    
Feature that determines whether the type detection for serialization should be using actual dynamic runtime type, or declared static type. Note that deserialization always uses declared static types since no runtime types are available (as we are creating instances after using type information).

This global default value can be overridden at class, method or field level by using com.fasterxml.jackson.databind.annotation.JsonSerialize.typing() annotation property.

Feature is disabled by default which means that dynamic runtime types are used (instead of declared static types) for serialization.

    USE_STATIC_TYPING(false),
    /*
    /******************************************************
    /* View-related features
    /******************************************************
     */
    
    
Feature that determines whether properties that have no view annotations are included in JSON serialization views (see com.fasterxml.jackson.annotation.JsonView for more details on JSON Views). If enabled, non-annotated properties will be included; when disabled, they will be excluded. So this feature changes between "opt-in" (feature disabled) and "opt-out" (feature enabled) modes.

Default value is enabled, meaning that non-annotated properties are included in all views if there is no com.fasterxml.jackson.annotation.JsonView annotation.

Feature is enabled by default.

    DEFAULT_VIEW_INCLUSION(true),
    
    /*
    /******************************************************
    /* Generic output features
    /******************************************************
     */

    
Feature that defines default property serialization order used for POJO fields (note: does not apply to java.util.Map serialization!): if enabled, default ordering is alphabetic (similar to how com.fasterxml.jackson.annotation.JsonPropertyOrder.alphabetic() works); if disabled, order is unspecified (based on what JDK gives us, which may be declaration order, but is not guaranteed).

Note that this is just the default behavior, and can be overridden by explicit overrides in classes.

Feature is disabled by default.

    SORT_PROPERTIES_ALPHABETICALLY(false),
    /*
    /******************************************************
    /* Name-related features
    /******************************************************
     */

    
Feature that can be enabled to make property names be overridden by wrapper name (usually detected with annotations as defined by AnnotationIntrospector.findWrapperName(com.fasterxml.jackson.databind.introspect.Annotated). If enabled, all properties that have associated non-empty Wrapper name will use that wrapper name instead of property name. If disabled, wrapper name is only used for wrapping (if anything).

Feature is disabled by default.

Since:
2.1
    USE_WRAPPER_NAME_AS_PROPERTY_NAME(false)
    
    ;
    private final boolean _defaultState;
    
    private MapperFeature(boolean defaultState) {
         = defaultState;
    }
    
//  @Override
    public boolean enabledByDefault() { return ; }
//  @Override
    public int getMask() { return (1 << ordinal()); }
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