@twinfinity/core
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    Type Alias PredefinedIfcClassId

    PredefinedIfcClassId: `${typeof IfcClassIdPrefix}${Capitalize<
        keyof typeof tmpPredefinedIfcClassIdWithoutPrefix,
    >}`

    The known predefined IFC class IDs. Can be used with ModelProductClass.is to determine if a class is a predefined IFC class.

    function checkIfWindow(o: BimIfcObject): boolean {
    return o.class.is('IfcWindow');
    }