DatatypeDefinitionString t_string = rf.createDatatypeDefinitionString();
content.getDatatypes().add(t_string);
// Build SpecObject Type for requirements.
SpecObjectType requirementType = rf.createSpecObjectType();
AttributeDefinitionString ad_requirement = rf.createAttributeDefinitionString();
ad_requirement.setType(t_string);
requirementType.getSpecAttributes().add(ad_requirement);
content.getSpecTypes().add(requirementType);
// Build SpecObject Type for proxy.
SpecObjectType proxyType = rf.createSpecObjectType();
AttributeDefinitionString ad_proxy = rf.createAttributeDefinitionString();
ad_proxy.setType(t_string);
proxyType.getSpecAttributes().add(ad_proxy);
content.getSpecTypes().add(proxyType);
// Build SpecRelationType for linking
SpecRelationType linkType = rf.createSpecRelationType();