## Uses of Interface
org.appng.api.observe.Observer

- Packages that use Observer
  Package | Description
  --- | ---
  org.appng.api.observe | Types for implementing the Observer Pattern
  org.appng.api.observe.impl |
  org.appng.search.indexer | Types used to provide indexing functionality

- - ### Uses of Observer in org.appng.api.observe

    Methods in org.appng.api.observe with parameters of type Observer
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | Observable.`addObserver(Observer<? super T> observer)` Adds an `Observer`.
    `boolean` | Observable.`removeObserver(Observer<? super T> observer)` Removes an `Observer`.

  - ### Uses of Observer in org.appng.api.observe.impl

    Methods in org.appng.api.observe.impl with parameters of type Observer
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | ObservableDelegate.`addObserver(Observer<? super T> observer)`
    `boolean` | ObservableDelegate.`removeObserver(Observer<? super T> observer)`

  - ### Uses of Observer in org.appng.search.indexer

    Methods in org.appng.search.indexer with parameters of type Observer
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | SimpleDocument.`addObserver(Observer<? super Document> observer)`
    `boolean` | SimpleDocument.`removeObserver(Observer<? super Document> observer)`

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