Interface MeasurementXYVariables<DataType>

interface MeasurementXYVariables<DataType extends DoubleArray = DoubleArray> {
    a?: MeasurementVariable<DataType>;
    b?: MeasurementVariable<DataType>;
    c?: MeasurementVariable<DataType>;
    d?: MeasurementVariable<DataType>;
    e?: MeasurementVariable<DataType>;
    f?: MeasurementVariable<DataType>;
    g?: MeasurementVariable<DataType>;
    h?: MeasurementVariable<DataType>;
    i?: MeasurementVariable<DataType>;
    j?: MeasurementVariable<DataType>;
    k?: MeasurementVariable<DataType>;
    l?: MeasurementVariable<DataType>;
    m?: MeasurementVariable<DataType>;
    n?: MeasurementVariable<DataType>;
    o?: MeasurementVariable<DataType>;
    p?: MeasurementVariable<DataType>;
    q?: MeasurementVariable<DataType>;
    r?: MeasurementVariable<DataType>;
    s?: MeasurementVariable<DataType>;
    t?: MeasurementVariable<DataType>;
    u?: MeasurementVariable<DataType>;
    v?: MeasurementVariable<DataType>;
    w?: MeasurementVariable<DataType>;
    x: MeasurementVariable<DataType>;
    y: MeasurementVariable<DataType>;
    z?: MeasurementVariable<DataType>;
}