com.unity.uiwidgets/Runtime/painting/matrix_utils.cs

using Unity.UIWidgets.ui;

namespace Unity.UIWidgets.painting {
    public static class MatrixUtils {
        public static Offset getAsTranslation(this Matrix3 matrix3) {
            return matrix3.isTranslate() ? new Offset(matrix3[Matrix3.kMTransX], matrix3[Matrix3.kMTransY]) : null;
        }
    }
}