L0 = <http://www.simantics.org/Layer0-1.1>
SWT = <http://www.simantics.org/SWT-1.0>

LITERALS = SWT.Literals : L0.Library

LITERALS.Margins <T L0.Literal
    @L0.assert L0.HasValueType "(Integer,Integer,Integer,Integer)"
    @L0.assert L0.HasDataType ${ left : Integer, right : Integer, top : Integer, bottom : Integer }

LITERALS.Columns <T L0.Literal
    @L0.assert L0.HasValueType "Columns"
    // TODO: Bindings.getBeanBinding(type) does not work with enumerations
    @L0.assert L0.HasDataType $ { columns : {key : String,label : String,tooltip : String,width : Integer,weight : Integer,alignment : String,grab : Boolean}[]}