gistfile1.java

@Configuration
@Import(MyFrameworkConfiguration.class)
public class UserConfig implements MyFrameworkInitializer {

    protected void setMyFrameworkInitializer(MyFrameworkInitializer initializer) {
        super.setMyFrameworkInitializer(this)
    }

    public void configureFoo(Foo foo) {
      foo.setAwesome(true);
    }
}


public interface MyFrameworkInitializer {
    void configureFoo(Foo foo);
}


@Configuration
public class MyFrameworkConfiguration {

  private MyFrameworkInitializer initializer;

  @Autowired(optional=true)
  protected void setMyFrameworkInitializer(MyFrameworkInitializer initializer) {
    this.initializer = initializer;
  }

  @PostConstruct
  public void initialize() {
    if (initializer != null) {
        initializer.configureFoo(foo());
    }
  }
  
  @Bean
  public Foo foo() {
  }

}