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Is it bad to prefix all of my framework class names?
class LEntity

//Class1.as
package com.test.someModule { //This is the package/namespace
  public class Class1 {...}
}

//Class2.as
package com.test.otherModule {
  import com.test.someModule.Class1; //Class1 can be used as "Class1" now. Otherwise you would do "com.test.someModule.Class1"
  import com.test.someModule.*; //You can also use the "*" to "import" all classes in that package
}