1. A method comprising: obtaining an indication of a model element of a first model element type which is to be migrated to a model element of a second model element type; and automatically migrating the model element of the first model element type to the model element of the second model element type, wherein the automatically migrating migrates a relationship between the model element of the first model element type and a related model element to a relationship between the model element of the second model element type and the related model element, and wherein the automatically migrating comprises: identifying a relationship type of the relationship between the model element of the first model element type and the related model element; and checking one or more indicators to determine whether the identified relationship type between the model element of the first model element type and the related model element is indicated to be a valid type of relationship that may exist as between the second model element type and a model element type of the related model element.