isc.DataSource.create({
    allowAdvancedCriteria:true,
    ID:"SimpleType",
    addGlobalId:false,
    Constructor:"SimpleType",
    fields:[
        {
            name:"inheritsFrom",
            type:"string"
        },
        {
            name:"editorType",
            type:"string"
        }
    ],
    inheritsFrom:"DataSourceField"
})
