gistfile1.txt

Role('Some.Trait', {
    
    builder : {
        
        methods : {
            
            newBuilder : function (meta, info) {
                meta.addProperty(...)
            }
        }
    }

})


Class('Some.Class', {
    
    trait : Some.Trait,
    
    newBuilder : { <- info object
    },
    
    ...
    //usual builders

})


// or


Class('Some.Meta.Class', {
    
    isa     : Joose.Meta.Class,
    meta    : Joose.Meta.Class,
    
    builder : {
        
        methods : {
            
            newBuilder : function (meta, info) {
                meta.addProperty(...)
            }
        }
    }

})


Class('Some.Class', {
    
    meta : Some.Meta.Class,
    
    newBuilder : { <- info object
    },
    
    ...
    //usual builders

})