TypeFieldDescr f1 = new TypeFieldDescr( "name",
new PatternDescr( "String" ) );
TypeFieldDescr f2 = new TypeFieldDescr( "age",
new PatternDescr( "int" ) );
typeDescr.addField( f1 );
typeDescr.addField( f2 );
pkgDescr.addTypeDeclaration( typeDescr );
PackageBuilder builder = new PackageBuilder();