The Unity Application Block (Unity) is a lightweight, extensible dependency injection container. It facilitates building loosely coupled applications and provides developers with the following advantages:

• simplified object creation, especially for hierarchical object structures and dependencies.
• abstraction of requirements; this allows developers to specify dependencies at run time or in configuration and simplify management of crosscutting concerns.
• increased flexibility by deferring component configuration to the container.
• service location capability; this allows clients to store or cache the container.

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