## Uses of Class
com.fasterxml.jackson.databind.util.LRUMap

Packages that use LRUMap
com.fasterxml.jackson.databind.type: Package that contains concrete implementations of `JavaType`, as well as the factory (`TypeFactory`) for constructing instances from various input data types (like `Class`, `Type`) and programmatically (for structured types, arrays, `List`s and `Map`s).
com.fasterxml.jackson.databind.util: Utility classes for Mapper package.

Uses of LRUMap in com.fasterxml.jackson.databind.type

Fields in com.fasterxml.jackson.databind.type declared as LRUMap
`protected LRUMap<ClassKey,JavaType>` `TypeFactory._typeCache` Since type resolution can be expensive (specifically when resolving actual generic types), we will use small cache to avoid repetitive resolution of core types

Uses of LRUMap in com.fasterxml.jackson.databind.util

Fields in com.fasterxml.jackson.databind.util declared as LRUMap
`protected LRUMap<ClassKey,SerializedString>` `RootNameLookup._rootNames` For efficient operation, let's try to minimize number of times we need to introspect root element name to use.

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