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## Package org.springframework.webflow.core.collection

Core element collection types used within Spring Web Flow.

See:
Description

Interface Summary
AttributeMap | An immutable interface for accessing attributes in a backing map with string keys.
AttributeMapBindingListener | Causes an object to be notified when it is bound or unbound from an `AttributeMap`.
MutableAttributeMap | An interface for accessing and modifying attributes in a backing map with string keys.
ParameterMap | An interface for accessing parameters in a backing map.
SharedAttributeMap | An interface to be implemented by mutable attribute maps accessed by multiple threads that need to be synchronized.

Class Summary
AttributeMapBindingEvent | Holder for information about the binding or unbinding event in an `AttributeMap`.
CollectionUtils | A utility class for working with attribute and parameter collections used by Spring Web FLow.
LocalAttributeMap | A generic, mutable attribute map with string keys.
LocalParameterMap | An immutable parameter map storing String-keyed, String-valued parameters in a backing `Map` implementation.
LocalSharedAttributeMap | An attribute map that exposes a mutex that application code can synchronize on.

## Package org.springframework.webflow.core.collection Description

Core element collection types used within Spring Web Flow.

This packages defines two primary collection flavors:

1. AttributeMap - for accessing 'attributes' that have string keys and object values.
2. ParameterMap - for accessing 'parameters' that have string keys and string values.

Each map is `java.util.Map` adaptable.

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