Search field handlers

Current version: 10.2

The Search plugin pre-defines index field mappers and handlers listed in the following table.

For a list of search field handlers used for indexing catalog entities (catalogs, categories and sellable items), see catalog field handlers.

Field handlers/mappers	Description
`AbstractIndexFieldHandler`	Defines an abstract field hander class that synchronously composes the field value to be used in the index.
`AbstractAsyncIndexFieldHandler`	Defines an abstract field handler class that supports asynchronous calls. Note The Commerce Engine does not use this index field handler by default. Index field handlers that call pipelines asynchronously can have a negative impact on indexing performance in deployments with large catalogs or mapping tables. We recommend that you use the `AbstractIndexFieldHandler` class in your custom field hander if possible.
`ArtifactStoreIdFieldHandler`	Defines the handler for the artifact store id field.
`DataSourceFieldHandler`	Defines the handler for the data source field
`IndexFieldConfiguration`	Defines the configuration for an index field.
`IndexFieldTypeMapper`	Defines an index field type mapper.
`IndexNameFieldHandler`	Defines the handler for the index name field.
`ItemTypeFieldHandler`	Defines the handler for the item type field.
`LanguageFieldHandler`	Defines the handler for the language field.
`LatestVersionFieldHandler`	Defines the handler for the latest version field.
`NoopIndexFieldHandler`	Defines a no operation index field handler. Important For internal use only. Do not use this handler or inherit from it.

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