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project.md: Clean up code snippets
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@ -118,10 +118,12 @@ Refer to the [project_model](%gh-sdk-samples%/project_model/src/main/java/org/in
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To receive notifications about changes in project structure (modules or libraries being added or removed, module dependencies being changed, and so on), use the [message bus](messaging_infrastructure.md) and the `ProjectTopics.PROJECT_ROOTS` topic:
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To receive notifications about changes in project structure (modules or libraries being added or removed, module dependencies being changed, and so on), use the [message bus](messaging_infrastructure.md) and the `ProjectTopics.PROJECT_ROOTS` topic:
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```java
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```java
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project.getMessageBus().connect().subscribe(ProjectTopics.PROJECT_ROOTS,
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project.getMessageBus().connect().subscribe(
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ProjectTopics.PROJECT_ROOTS,
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new ModuleRootListener() {
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new ModuleRootListener() {
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@Override
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@Override
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public void rootsChanged(ModuleRootEvent event) {
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public void rootsChanged(@NotNull ModuleRootEvent event) {
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// action
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}
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}
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});
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});
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```
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```
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