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package org.apache.juneau.annotation;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.*;

import java.io.*;
import java.lang.annotation.*;
import java.lang.reflect.*;

import org.apache.juneau.*;
import org.apache.juneau.parser.*;
import org.apache.juneau.serializer.*;
import org.apache.juneau.transform.*;

/**
 * Annotation for specifying config properties defined in {@link BeanContext} and {@link BeanTraverseContext}.
 *
 * <p>
 * Used primarily for specifying bean configuration properties on REST classes and methods.
 */
@Documented
@Target({TYPE,METHOD})
@Retention(RUNTIME)
@Inherited
@PropertyStoreApply(BeanConfigApply.class)
public @interface BeanConfig {

	/**
	 * Optional rank for this config.
	 *
	 * <p>
	 * Can be used to override default ordering and application of config annotations.
	 */
	int rank() default 0;

	//-----------------------------------------------------------------------------------------------------------------
	// BeanContext
	//-----------------------------------------------------------------------------------------------------------------

	/**
	 * Configuration property:  Minimum bean class visibility.
	 *
	 * <p>
	 * Classes are not considered beans unless they meet the minimum visibility requirements.
	 *
	 * <p>
	 * For example, if the visibility is <c>PUBLIC</c> and the bean class is <jk>protected</jk>, then the class
	 * will not be interpreted as a bean class and be serialized as a string.
	 * <br>Use this setting to reduce the visibility requirement.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"PUBLIC"</js> (default)
	 * 			<li><js>"PROTECTED"</js>
	 * 			<li><js>"DEFAULT"</js>
	 * 			<li><js>"PRIVATE"</js>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beanClassVisibility.s"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanClassVisibility}
	 * </ul>
	 */
	String beanClassVisibility() default "";

	/**
	 * Configuration property:  Minimum bean constructor visibility.
	 *
	 * <p>
	 * Only look for constructors with the specified minimum visibility.
	 *
	 * <p>
	 * This setting affects the logic for finding no-arg constructors for bean.
	 * <br>Normally, only <jk>public</jk> no-arg constructors are used.
	 * <br>Use this setting if you want to reduce the visibility requirement.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"PUBLIC"</js> (default)
	 * 			<li><js>"PROTECTED"</js>
	 * 			<li><js>"DEFAULT"</js>
	 * 			<li><js>"PRIVATE"</js>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beanConstructorVisibility.s"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanConstructorVisibility}
	 * </ul>
	 */
	String beanConstructorVisibility() default "";

	/**
	 * Configuration property:  Bean dictionary.
	 *
	 * <p>
	 * The list of classes that make up the bean dictionary in this bean context.
	 *
	 * <p>
	 * A dictionary is a name/class mapping used to find class types during parsing when they cannot be inferred
	 * through reflection.
	 * <br>The names are defined through the {@link Bean#typeName() @Bean(typeName)} annotation defined on the bean class.
	 * <br>For example, if a class <c>Foo</c> has a type-name of <js>"myfoo"</js>, then it would end up serialized
	 * as <js>"{_type:'myfoo',...}"</js>.
	 *
	 * <p>
	 * This setting tells the parsers which classes to look for when resolving <js>"_type"</js> attributes.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanDictionary}
	 * 	<li class='link'>{@doc juneau-marshall.BeanDictionaries}
	 * </ul>
	 * @deprecated Use {@link #dictionary()}
	 */
	@Deprecated
	Class<?>[] beanDictionary() default {};

	/**
	 * Configuration property:  Add to bean dictionary.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanDictionary}
	 * </ul>
	 * @deprecated Use {@link #dictionary_replace()}
	 */
	@Deprecated
	Class<?>[] beanDictionary_replace() default {};

	/**
	 * Configuration property:  Remove from bean dictionary.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanDictionary_remove}
	 * </ul>
	 * @deprecated Use {@link #dictionary_remove()}
	 */
	@Deprecated
	Class<?>[] beanDictionary_remove() default {};

	/**
	 * Configuration property:  Minimum bean field visibility.
	 *
	 * <p>
	 * Only look for bean fields with the specified minimum visibility.
	 *
	 * <p>
	 * This affects which fields on a bean class are considered bean properties.
	 * <br>Normally only <jk>public</jk> fields are considered.
	 * <br>Use this setting if you want to reduce the visibility requirement.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"PUBLIC"</js> (default)
	 * 			<li><js>"PROTECTED"</js>
	 * 			<li><js>"DEFAULT"</js>
	 * 			<li><js>"PRIVATE"</js>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beanFieldVisibility.s"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanFieldVisibility}
	 * </ul>
	 */
	String beanFieldVisibility() default "";

	/**
	 * Configuration property:  Bean filters.
	 *
	 * <p>
	 * This is a programmatic equivalent to the {@link Bean @Bean} annotation.
	 * <br>It's useful when you want to use the <c>@Bean</c> annotation functionality, but you don't have the ability to alter
	 * the bean classes.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Values can consist of any of the following types:
	 * 		<ul class='spaced-list'>
	 * 			<li>Any subclass of {@link BeanFilterBuilder}.
	 * 				<br>These must have a public no-arg constructor.
	 * 			<li>Any bean interfaces.
	 * 				<br>A shortcut for defining a {@link InterfaceBeanFilterBuilder}.
	 * 				<br>Any subclasses of an interface class will only have properties defined on the interface.
	 * 				<br>All other bean properties will be ignored.
	 * 		</ul>
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanFilters}
	 * 	<li class='link'>{@doc juneau-marshall.Transforms.BeanFilters}
	 * 	<li class='link'>{@doc juneau-marshall.Transforms.InterfaceFilters}
	 * </ul>
	 */
	Class<?>[] beanFilters() default {};

	/**
	 * Configuration property:  Add to bean filters.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanFilters}
	 * </ul>
	 */
	Class<?>[] beanFilters_replace() default {};

	/**
	 * Configuration property:  Remove from bean filters.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanFilters_remove}
	 * </ul>
	 */
	Class<?>[] beanFilters_remove() default {};

	/**
	 * Configuration property:  BeanMap.put() returns old property value.
	 *
	 * <p>
	 * If <js>"true"</js>, then the {@link BeanMap#put(String,Object) BeanMap.put()} method will return old property
	 * values.
	 * <br>Otherwise, it returns <jk>null</jk>.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default because it introduces a slight performance penalty during serialization)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beanMapPutReturnsOldValue.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanMapPutReturnsOldValue}
	 * </ul>
	 */
	String beanMapPutReturnsOldValue() default "";

	/**
	 * Configuration property:  Minimum bean method visibility.
	 *
	 * <p>
	 * Only look for bean methods with the specified minimum visibility.
	 *
	 * <p>
	 * This affects which methods are detected as getters and setters on a bean class.
	 * <br>Normally only <jk>public</jk> getters and setters are considered.
	 * <br>Use this setting if you want to reduce the visibility requirement.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"PUBLIC"</js> (default)
	 * 			<li><js>"PROTECTED"</js>
	 * 			<li><js>"DEFAULT"</js>
	 * 			<li><js>"PRIVATE"</js>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beanMethodVisibility.s"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanMethodVisibility}
	 * </ul>
	 */
	String beanMethodVisibility() default "";

	/**
	 * Configuration property:  Beans require no-arg constructors.
	 *
	 * <p>
	 * If <js>"true"</js>, a Java class must implement a default no-arg constructor to be considered a bean.
	 * <br>Otherwise, the bean will be serialized as a string using the {@link Object#toString()} method.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		The {@link Bean @Bean} annotation can be used on a class to override this setting when <js>"true"</js>.
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beansRequireDefaultConstructor.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beansRequireDefaultConstructor}
	 * </ul>
	 */
	String beansRequireDefaultConstructor() default "";

	/**
	 * Configuration property:  Beans require Serializable interface.
	 *
	 * <p>
	 * If <js>"true"</js>, a Java class must implement the {@link Serializable} interface to be considered a bean.
	 * <br>Otherwise, the bean will be serialized as a string using the {@link Object#toString()} method.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		The {@link Bean @Bean} annotation can be used on a class to override this setting when <js>"true"</js>.
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beansRequireSerializable.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beansRequireSerializable}
	 * </ul>
	 */
	String beansRequireSerializable() default "";

	/**
	 * Configuration property:  Beans require setters for getters.
	 *
	 * <p>
	 * If <js>"true"</js>, only getters that have equivalent setters will be considered as properties on a bean.
	 * <br>Otherwise, they will be ignored.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beansRequireSettersForGetters.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beansRequireSettersForGetters}
	 * </ul>
	 */
	String beansRequireSettersForGetters() default "";

	/**
	 * Configuration property:  Beans require at least one property.
	 *
	 * <p>
	 * If <js>"true"</js>, then a Java class must contain at least 1 property to be considered a bean.
	 * <br>Otherwise, the bean will be serialized as a string using the {@link Object#toString()} method.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js> (default)
	 * 			<li><js>"false"</js>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beansRequireSomeProperties.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beansRequireSomeProperties}
	 * </ul>
	 */
	String beansRequireSomeProperties() default "";

	/**
	 * Configuration property:  Bean type property name.
	 *
	 * <p>
	 * This specifies the name of the bean property used to store the dictionary name of a bean type so that the
	 * parser knows the data type to reconstruct.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Default value: <js>"_type"</js>.
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.beanTypePropertyName.s"</js>.
	 * </ul>

	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanTypePropertyName}
	 * </ul>
	 */
	String beanTypePropertyName() default "";

	/**
	 * Configuration property:  Bean property includes.
	 *
	 * Shortcut for specifying the {@link BeanContext#BEAN_includeProperties} property on all serializers.
	 *
	 * <p>
	 * The typical use case is when you're rendering summary and details views of the same bean in a resource and
	 * you want to expose or hide specific properties depending on the level of detail you want.
	 *
	 * <p>
	 * In the example below, our 'summary' view is a list of beans where we only want to show the ID property,
	 * and our detail view is a single bean where we want to expose different fields:
	 * <p class='bcode w800'>
	 * 	<jc>// Our bean</jc>
	 * 	<jk>public class</jk> MyBean {
	 *
	 * 		<jc>// Summary properties</jc>
	 * 		<ja>@Html</ja>(link=<js>"servlet:/mybeans/{id}"</js>)
	 * 		<jk>public</jk> String <jf>id</jf>;
	 *
	 * 		<jc>// Detail properties</jc>
	 * 		<jk>public</jk> String <jf>a</jf>, <jf>b</jf>;
	 * 	}
	 *
	 * 	<jc>// Only render "id" property.</jc>
	 * 	<ja>@RestMethod</ja>(name=<jsf>GET</jsf>, path=<js>"/mybeans"</js>)
	 * 	<ja>@BeanConfig</ja>(bpi=<js>"MyBean: id"</js>)
	 * 	<jk>public</jk> List&lt;MyBean&gt; getBeanSummary() {...}
	 *
	 * 	<jc>// Only render "a" and "b" properties.</jc>
	 * 	<ja>@RestMethod</ja>(name=<jsf>GET</jsf>, path=<js>"/mybeans/{id}"</js>)
	 * 	<ja>@BeanConfig</ja>(bpi=<js>"MyBean: a,b"</js>)
	 * 	<jk>public</jk> MyBean getBeanDetails(<ja>@Path</ja> String id) {...}
	 * </p>
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		The format of each value is: <js>"Key: comma-delimited-tokens"</js>.
	 * 	<li>
	 * 		Keys can be fully-qualified or short class names or <js>"*"</js> to represent all classes.
	 * 	<li>
	 * 		Values are comma-delimited lists of bean property names.
	 * 	<li>
	 * 		Properties apply to specified class and all subclasses.
	 * 	<li>
	 * 		Semicolons can be used as an additional separator for multiple values:
	 * 		<p class='bcode w800'>
	 * 	<jc>// Equivalent</jc>
	 * 	bpi={<js>"Bean1: foo"</js>,<js>"Bean2: bar,baz"</js>}
	 * 	bpi=<js>"Bean1: foo; Bean2: bar,baz"</js>
	 * 		</p>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.properties.sms"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_includeProperties}
	 * </ul>
	 */
	String[] bpi() default {};

	/**
	 * Configuration property:  Bean property excludes.
	 *
	 * Shortcut for specifying the {@link BeanContext#BEAN_excludeProperties} property on all serializers.
	 *
	 * <p>
	 * Same as {@link #bpi()} except you specify a list of bean property names that you want to exclude from
	 * serialization.
	 *
	 * <p>
	 * In the example below, our 'summary' view is a list of beans where we want to exclude some properties:
	 * <p class='bcode w800'>
	 * 	<jc>// Our bean</jc>
	 * 	<jk>public class</jk> MyBean {
	 *
	 * 		<jc>// Summary properties</jc>
	 * 		<ja>@Html</ja>(link=<js>"servlet:/mybeans/{id}"</js>)
	 * 		<jk>public</jk> String <jf>id</jf>;
	 *
	 * 		<jc>// Detail properties</jc>
	 * 		<jk>public</jk> String <jf>a</jf>, <jf>b</jf>;
	 * 	}
	 *
	 * 	<jc>// Don't show "a" and "b" properties.</jc>
	 * 	<ja>@RestMethod</ja>(name=<jsf>GET</jsf>, path=<js>"/mybeans"</js>)
	 * 	<ja>@BeanConfig</ja>(bpx=<js>"MyBean: a,b"</js>)
	 * 	<jk>public</jk> List&lt;MyBean&gt; getBeanSummary() {...}
	 *
	 * 	<jc>// Render all properties.</jc>
	 * 	<ja>@RestMethod</ja>(name=<jsf>GET</jsf>, path=<js>"/mybeans/{id}"</js>)
	 * 	<jk>public</jk> MyBean getBeanDetails(<ja>@Path</ja> String id) {...}
	 * </p>
	 *
	 * <ul class=''>
	 * 	<li>
	 * 		The format of each value is: <js>"Key: comma-delimited-tokens"</js>.
	 * 	<li>
	 * 		Keys can be fully-qualified or short class names or <js>"*"</js> to represent all classes.
	 * 	<li>
	 * 		Values are comma-delimited lists of bean property names.
	 * 	<li>
	 * 		Properties apply to specified class and all subclasses.
	 * 	<li>
	 * 		Semicolons can be used as an additional separator for multiple values:
	 * 		<p class='bcode w800'>
	 * 	<jc>// Equivalent</jc>
	 * 	bpx={<js>"Bean1: foo"</js>,<js>"Bean2: bar,baz"</js>}
	 * 	bpx=<js>"Bean1: foo; Bean2: bar,baz"</js>
	 * 		</p>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.excludeProperties.sms"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_excludeProperties}
	 * </ul>
	 */
	String[] bpx() default {};

	/**
	 * Configuration property:  Debug mode.
	 *
	 * <p>
	 * Enables the following additional information during serialization:
	 * <ul class='spaced-list'>
	 * 	<li>
	 * 		When bean getters throws exceptions, the exception includes the object stack information
	 * 		in order to determine how that method was invoked.
	 * 	<li>
	 * 		Enables {@link Serializer#BEANTRAVERSE_detectRecursions}.
	 * </ul>
	 *
	 * <p>
	 * Enables the following additional information during parsing:
	 * <ul class='spaced-list'>
	 * 	<li>
	 * 		When bean setters throws exceptions, the exception includes the object stack information
	 * 		in order to determine how that method was invoked.
	 * </ul>
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.debug.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_debug}
	 * </ul>
	 */
	String debug() default "";

	/**
	 * Configuration property:  Bean dictionary.
	 *
	 * <p>
	 * The list of classes that make up the bean dictionary in this bean context.
	 *
	 * <p>
	 * A dictionary is a name/class mapping used to find class types during parsing when they cannot be inferred
	 * through reflection.
	 * <br>The names are defined through the {@link Bean#typeName() @Bean(typeName)} annotation defined on the bean class.
	 * <br>For example, if a class <c>Foo</c> has a type-name of <js>"myfoo"</js>, then it would end up serialized
	 * as <js>"{_type:'myfoo',...}"</js>.
	 *
	 * <p>
	 * This setting tells the parsers which classes to look for when resolving <js>"_type"</js> attributes.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanDictionary}
	 * 	<li class='link'>{@doc juneau-marshall.BeanDictionaries}
	 * </ul>
	 */
	Class<?>[] dictionary() default {};

	/**
	 * Configuration property:  Add to bean dictionary.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanDictionary}
	 * </ul>
	 */
	Class<?>[] dictionary_replace() default {};

	/**
	 * Configuration property:  Remove from bean dictionary.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_beanDictionary_remove}
	 * </ul>
	 */
	Class<?>[] dictionary_remove() default {};

	/**
	 * Configuration property:  POJO examples.
	 *
	 * <p>
	 * Specifies an example of the specified class.
	 *
	 * <p>
	 * Examples are used in cases such as POJO examples in Swagger documents.
	 *
	 * <h5 class='section'>Example:</h5>
	 * <p class='bcode w800'>
	 * 	<ja>@BeanConfig</ja>(
	 * 		examples={
	 * 			<ja>@CSEntry</ja>(key=MyBean.<jk>class</jk>, value=<js>"{foo:'bar'}"</js>)
	 * 		}
	 * 	)
	 * </p>
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Setting applies to specified class and all subclasses.
	 * 	<li>
	 * 		Keys are the class of the example.
	 * 		<br>Values are Simple-JSON representation of that class.
	 * 	<li>
	 * 		POJO examples can also be defined on classes via the following:
	 * 		<ul class='spaced-list'>
	 * 			<li>A static field annotated with {@link Example @Example}.
	 * 			<li>A static method annotated with {@link Example @Example} with zero arguments or one {@link BeanSession} argument.
	 * 			<li>A static method with name <c>example</c> with no arguments or one {@link BeanSession} argument.
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.examples.smo"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_examples}
	 * </ul>
	 */
	CS[] example() default {};

	/**
	 * Configuration property:  POJO examples.
	 *
	 * <p>
	 * Same as {@link #example()} but allows you to define examples as a Simple-JSON string.
	 *
	 * <h5 class='section'>Example:</h5>
	 * <p class='bcode w800'>
	 * 	<ja>@BeanConfig</ja>(
	 * 		examples={
	 * 			<js>"MyBean: {foo:'bar'}"</js>  <jc>// Could also be "{MyBean: {foo:'bar'}}"</jc>
	 * 		}
	 * 	)
	 * </p>
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Keys are the class of the example and can be the fully-qualified name or simple name.
	 * 		<br>Values are Simple-JSON representation of that class.
	 *	<li>
	 * 		The individual strings are concatenated together and the whole string is treated as a JSON Object.
	 * 		<br>The leading and trailing <js>'{'</js> and <js>'}'</js> characters are optional.
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.examples.smo"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_examples}
	 * </ul>
	 */
	String[] examples() default {};

	/**
	 * Configuration property:  Bean property excludes.
	 *
	 * <p>
	 * Specifies to exclude the specified list of properties for the specified bean class.
	 *
	 * <h5 class='section'>Example:</h5>
	 * <p class='bcode w800'>
	 * 	<ja>@BeanConfig</ja>(
	 * 		excludeProperties={
	 * 			<ja>@CSEntry</ja>(key=MyBean.<jk>class</jk>, value=<js>"foo,bar"</js>)
	 * 		}
	 * 	)
	 * <p>
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Keys are the class applied to.
	 * 		<br>Values are comma-delimited lists of property names.
	 *	<li>
	 * 		Setting applies to specified class and all subclasses.
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.excludeProperties.sms"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_excludeProperties}
	 * </ul>
	 */
	CS[] excludeProperties() default {};

	/**
	 * Configuration property:  Find fluent setters.
	 *
	 * <p>
	 * When enabled, fluent setters are detected on beans.
	 *
	 * <p>
	 * Fluent setters must have the following attributes:
	 * <ul>
	 * 	<li>Public.
	 * 	<li>Not static.
	 * 	<li>Take in one parameter.
	 * 	<li>Return the bean itself.
	 * </ul>
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.fluentSetters.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_fluentSetters}
	 * </ul>
	 */
	String fluentSetters() default "";

	/**
	 * Configuration property:  Ignore invocation errors on getters.
	 *
	 * <p>
	 * If <js>"true"</js>, errors thrown when calling bean getter methods will silently be ignored.
	 * <br>Otherwise, a {@code BeanRuntimeException} is thrown.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.ignoreInvocationExceptionsOnGetters.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_ignoreInvocationExceptionsOnGetters}
	 * </ul>
	 */
	String ignoreInvocationExceptionsOnGetters() default "";

	/**
	 * Configuration property:  Ignore invocation errors on setters.
	 *
	 * <p>
	 * If <js>"true"</js>, errors thrown when calling bean setter methods will silently be ignored.
	 * <br>Otherwise, a {@code BeanRuntimeException} is thrown.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.ignoreInvocationExceptionsOnSetters.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_ignoreInvocationExceptionsOnSetters}
	 * </ul>
	 */
	String ignoreInvocationExceptionsOnSetters() default "";

	/**
	 * Configuration property:  Ignore properties without setters.
	 *
	 * <p>
	 * If <js>"true"</js>, trying to set a value on a bean property without a setter will silently be ignored.
	 * <br>Otherwise, a {@code RuntimeException} is thrown.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js> (default)
	 * 			<li><js>"false"</js>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.ignorePropertiesWithoutSetters.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_ignorePropertiesWithoutSetters}
	 * </ul>
	 */
	String ignorePropertiesWithoutSetters() default "";

	/**
	 * Configuration property:  Ignore unknown properties.
	 *
	 * <p>
	 * If <js>"true"</js>, trying to set a value on a non-existent bean property will silently be ignored.
	 * <br>Otherwise, a {@code RuntimeException} is thrown.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.ignoreUnknownBeanProperties.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_ignoreUnknownBeanProperties}
	 * </ul>
	 */
	String ignoreUnknownBeanProperties() default "";

	/**
	 * Configuration property:  Ignore unknown properties with null values.
	 *
	 * <p>
	 * If <js>"true"</js>, trying to set a <jk>null</jk> value on a non-existent bean property will silently be ignored.
	 * <br>Otherwise, a {@code RuntimeException} is thrown.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js> (default)
	 * 			<li><js>"false"</js>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.ignoreUnknownNullBeanProperties.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_ignoreUnknownNullBeanProperties}
	 * </ul>
	 */
	String ignoreUnknownNullBeanProperties() default "";

	/**
	 * Configuration property:  Implementation classes.
	 *
	 * <p>
	 * For interfaces and abstract classes this method can be used to specify an implementation class for the
	 * interface/abstract class so that instances of the implementation class are used when instantiated (e.g. during a
	 * parse).
	 *
	 * <h5 class='section'>Example:</h5>
	 * <p class='bcode w800'>
	 * 	<ja>@BeanConfig</ja>(
	 * 		implClasses={
	 * 			<ja>@CCEntry</ja>(key=MyInterface.<jk>class</jk>, value=MyInterfaceImpl.<jk>class</jk>)
	 * 		}
	 * 	)
	 * <p>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_implClasses}
	 * </ul>
	 */
	CC[] implClasses() default {};

	/**
	 * Configuration property:  Bean property includes.
	 *
	 * <p>
	 * Specifies the set and order of names of properties associated with the bean class.
	 *
	 * <h5 class='section'>Example:</h5>
	 * <p class='bcode w800'>
	 * 	<ja>@BeanConfig</ja>(
	 * 		includeProperties={
	 * 			<ja>@CSEntry</ja>(key=MyBean.<jk>class</jk>, value=<js>"foo,bar"</js>)
	 * 		}
	 * 	)
	 * <p>
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Keys are the class applied to.
	 * 		<br>Values are comma-delimited lists of property names.
	 * 	<li>
	 * 		Setting applies to specified class and all subclasses.
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.properties.sms"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_includeProperties}
	 * </ul>
	 */
	CS[] includeProperties() default {};

	/**
	 * Configuration property:  Locale.
	 *
	 * <p>
	 * Specifies the default locale for serializer and parser sessions.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.locale.s"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_locale}
	 * </ul>
	 */
	String locale() default "";

	/**
	 * Configuration property:  Media type.
	 *
	 * <p>
	 * Specifies the default media type value for serializer and parser sessions.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.mediaType.s"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_mediaType}
	 * </ul>
	 */
	String mediaType() default "";

	/**
	 * Configuration property:  Bean class exclusions.
	 *
	 * <p>
	 * List of classes that should not be treated as beans even if they appear to be bean-like.
	 * <br>Not-bean classes are converted to <c>Strings</c> during serialization.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.notBeanClasses.sc"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_notBeanClasses}
	 * </ul>
	 */
	Class<?>[] notBeanClasses() default {};

	/**
	 * Configuration property:  Add to classes that should not be considered beans.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_notBeanClasses}
	 * </ul>
	 */
	Class<?>[] notBeanClasses_replace() default {};

	/**
	 * Configuration property:  Remove from classes that should not be considered beans.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_notBeanClasses}
	 * </ul>
	 */
	Class<?>[] notBeanClasses_remove() default {};

	/**
	 * Configuration property:  Bean package exclusions.
	 *
	 * <p>
	 * When specified, the current list of ignore packages are appended to.
	 *
	 * <p>
	 * Any classes within these packages will be serialized to strings using {@link Object#toString()}.
	 *
	 * <p>
	 * Note that you can specify suffix patterns to include all subpackages.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		The default value excludes the following packages:
	 * 		<ul>
	 * 			<li><c>java.lang</c>
	 * 			<li><c>java.lang.annotation</c>
	 * 			<li><c>java.lang.ref</c>
	 * 			<li><c>java.lang.reflect</c>
	 * 			<li><c>java.io</c>
	 * 			<li><c>java.net</c>
	 * 			<li><c>java.nio.*</c>
	 * 			<li><c>java.util.*</c>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.notBeanPackages.ss"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_notBeanPackages}
	 * </ul>
	 */
	String[] notBeanPackages() default {};

	/**
	 * Configuration property:  Add to packages whose classes should not be considered beans.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_notBeanPackages}
	 * </ul>
	 */
	String[] notBeanPackages_replace() default {};

	/**
	 * Configuration property:  Remove from packages whose classes should not be considered beans.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_notBeanPackages}
	 * </ul>
	 */
	String[] notBeanPackages_remove() default {};

	/**
	 * Configuration property:  POJO swaps.
	 *
	 * <p>
	 * POJO swaps are used to "swap out" non-serializable classes with serializable equivalents during serialization,
	 * and "swap in" the non-serializable class during parsing.
	 *
	 * <p>
	 * An example of a POJO swap would be a <c>Calendar</c> object that gets swapped out for an ISO8601 string.
	 *
	 * <p>
	 * Multiple POJO swaps can be associated with a single class.
	 * <br>When multiple swaps are applicable to the same class, the media type pattern defined by
	 * {@link PojoSwap#forMediaTypes()} or {@link Swap#mediaTypes() @Swap(mediaTypes)} are used to come up with the best match.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_pojoSwaps}
	 * 	<li class='link'>{@doc juneau-marshall.Transforms.PojoSwaps}
	 * 	<li class='link'>{@doc juneau-marshall.Transforms.PerMediaTypePojoSwaps}
	 * 	<li class='link'>{@doc juneau-marshall.Transforms.OneWayPojoSwaps}
	 * 	<li class='link'>{@doc juneau-marshall.Transforms.SwapAnnotation}
	 * 	<li class='link'>{@doc juneau-marshall.Transforms.AutoPojoSwaps}
	 * 	<li class='link'>{@doc juneau-marshall.Transforms.SurrogateClasses}
	 * </ul>
	 */
	Class<? extends PojoSwap<?,?>>[] pojoSwaps() default {};

	/**
	 * Configuration property:  Add to POJO swap classes.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_pojoSwaps}
	 * </ul>
	 */
	Class<? extends PojoSwap<?,?>>[] pojoSwaps_replace() default {};

	/**
	 * Configuration property:  Remove from POJO swap classes.
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_pojoSwaps}
	 * </ul>
	 */
	Class<? extends PojoSwap<?,?>>[] pojoSwaps_remove() default {};

	/**
	 * Configuration property:  Bean property namer.
	 *
	 * <p>
	 * The class to use for calculating bean property names.
	 *
	 * <p>
	 * Predefined classes:
	 * <ul>
	 * 	<li>{@link PropertyNamerDefault} (default)
	 * 	<li>{@link PropertyNamerDLC} - Dashed-lower-case names.
	 * 	<li>{@link PropertyNamerULC} - Dashed-upper-case names.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_propertyNamer}
	 * </ul>
	 */
	Class<? extends PropertyNamer> propertyNamer() default PropertyNamer.Null.class;

	/**
	 * Configuration property:  Sort bean properties.
	 *
	 * <p>
	 * When <jk>true</jk>, all bean properties will be serialized and access in alphabetical order.
	 * <br>Otherwise, the natural order of the bean properties is used which is dependent on the JVM vendor.
	 * <br>On IBM JVMs, the bean properties are ordered based on their ordering in the Java file.
	 * <br>On Oracle JVMs, the bean properties are not ordered (which follows the official JVM specs).
	 *
	 * <p>
	 * This property is disabled by default so that IBM JVM users don't have to use {@link Bean @Bean} annotations
	 * to force bean properties to be in a particular order and can just alter the order of the fields/methods
	 * in the Java file.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.sortProperties.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_sortProperties}
	 * </ul>
	 */
	String sortProperties() default "";

	/**
	 * Configuration property:  Time zone.
	 *
	 * <p>
	 * Specifies the default timezone for serializer and parser sessions.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.timeZone.s"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_timeZone}
	 * </ul>
	 */
	String timeZone() default "";

	/**
	 * Configuration property:  Use enum names.
	 *
	 * <p>
	 * When enabled, enums are always serialized by name, not using {@link Object#toString()}.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 *		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.useEnumNames.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_useEnumNames}
	 * </ul>
	 */
	String useEnumNames() default "";

	/**
	 * Configuration property:  Use interface proxies.
	 *
	 * <p>
	 * If <js>"true"</js>, then interfaces will be instantiated as proxy classes through the use of an
	 * {@link InvocationHandler} if there is no other way of instantiating them.
	 * <br>Otherwise, throws a {@link BeanRuntimeException}.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 *		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js> (default)
	 * 			<li><js>"false"</js>
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.useInterfaceProxies.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_useInterfaceProxies}
	 * </ul>
	 */
	String useInterfaceProxies() default "";

	/**
	 * Configuration property:  Use Java Introspector.
	 *
	 * <p>
	 * Using the built-in Java bean introspector will not pick up fields or non-standard getters/setters.
	 * <br>Most {@link Bean @Bean} annotations will be ignored.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 *		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanContext.useJavaBeanIntrospector.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanContext#BEAN_useJavaBeanIntrospector}
	 * </ul>
	 */
	String useJavaBeanIntrospector() default "";

	//-----------------------------------------------------------------------------------------------------------------
	// BeanTraverseContext
	//-----------------------------------------------------------------------------------------------------------------

	/**
	 * Configuration property:  Automatically detect POJO recursions.
	 *
	 * <p>
	 * Specifies that recursions should be checked for during traversal.
	 *
	 * <p>
	 * Recursions can occur when traversing models that aren't true trees but rather contain loops.
	 * <br>In general, unchecked recursions cause stack-overflow-errors.
	 * <br>These show up as {@link ParseException ParseExceptions} with the message <js>"Depth too deep.  Stack overflow occurred."</js>.
	 *
	 * <p>
	 * The behavior when recursions are detected depends on the value for {@link BeanTraverseContext#BEANTRAVERSE_ignoreRecursions}.
	 *
	 * <p>
	 * For example, if a model contains the links A-&gt;B-&gt;C-&gt;A, then the JSON generated will look like
	 * 	the following when <jsf>BEANTRAVERSE_ignoreRecursions</jsf> is <jk>true</jk>...
	 *
	 * <p class='bcode w800'>
	 * 	{A:{B:{C:<jk>null</jk>}}}
	 * </p>
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Checking for recursion can cause a small performance penalty.
	 * 	<li>
	 *		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanTraverseContext.detectRecursions.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanTraverseContext#BEANTRAVERSE_detectRecursions}
	 * </ul>
	 */
	String detectRecursions() default "";

	/**
	 * Configuration property:  Ignore recursion errors.
	 *
	 * <p>
	 * Used in conjunction with {@link BeanTraverseContext#BEANTRAVERSE_detectRecursions}.
	 * <br>Setting is ignored if <jsf>BEANTRAVERSE_detectRecursions</jsf> is <js>"false"</js>.
	 *
	 * <p>
	 * If <js>"true"</js>, when we encounter the same object when traversing a tree, we set the value to <jk>null</jk>.
	 * <br>Otherwise, a {@link BeanRecursionException} is thrown with the message <js>"Recursion occurred, stack=..."</js>.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 *		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanTraverseContext.ignoreRecursions.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanTraverseContext#BEANTRAVERSE_ignoreRecursions}
	 * </ul>
	 */
	String ignoreRecursions() default "";

	/**
	 * Configuration property:  Initial depth.
	 *
	 * <p>
	 * The initial indentation level at the root.
	 * <br>Useful when constructing document fragments that need to be indented at a certain level.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Format: integer
	 *	<li>
	 * 		Default value: <js>"0"</js>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanTraverseContext.initialDepth.i"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanTraverseContext#BEANTRAVERSE_initialDepth}
	 * </ul>
	 */
	String initialDepth() default "";

	/**
	 * Configuration property:  Max traversal depth.
	 *
	 * <p>
	 * Abort traversal if specified depth is reached in the POJO tree.
	 * <br>If this depth is exceeded, an exception is thrown.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Format: integer
	 * 	<li>
	 * 		Default value: <js>"100"</js>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"BeanTraverseContext.maxDepth.i"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link BeanTraverseContext#BEANTRAVERSE_maxDepth}
	 * </ul>
	 */
	String maxDepth() default "";
}