Document {
	Chapter {
		Section Merge {
			Merging models.
			
			@M umlStorageDefinition 
				Resource umlResource {
					URI = "platform:/resource/rmTest/generated/uml.ecore";
					contentType = "ECore";
					content += uml;
				}
			M@

			We then define the stored EPackage, which will be the root of our metamodel :
			@M umlPackage_definition 
				new EPackage uml {
					nsURI = "http://www.eclipse.org/uml2/3.0.0/UML";
					nsPrefix = "uml";
				}
			M@
			
			@M CommentDefinition 
				uml {
					eClassifiers += new EClass Comment {
						eStructuralFeatures += new EAttribute {
							name = "body";
							eType = String;
							changeable = "true";
							unsettable = "true";
						};
						eStructuralFeatures += new EReference {
							name = "annotatedElement";
							eType = Element;
							upperBound = "-1";
							changeable = "true";
						};
						eSuperTypes += Element;
					};
			M@
		}
	}
}