import java.io.IOException;
import org.jruby.Ruby;
import org.jruby.debug.DebuggerDef;
import org.jruby.runtime.load.BasicLibraryService;

public final class RubyDebugBaseService implements BasicLibraryService {

    public boolean basicLoad(Ruby runtime) throws IOException {
        DebuggerDef.createDebuggerModule(runtime);
        return true;
    }
    
}

@@ -67,24 +67,28 @@
 y.debug.
+Ruby
 Debugger
 Def;%0Aimp
@@ -79,19 +79,16 @@
 Debugger
-Def
 ;%0Aimport
@@ -279,24 +279,28 @@
         
+Ruby
 Debugger
 Def.crea
@@ -295,11 +295,8 @@
 gger
-Def
 .cre

Rename DebuggerDef to RubyDebugger for more consistency with core (missed in previous commit)