## Not run:
# dp <- new("DataPackage")
# recordDerivation(dp, "https://cn.dataone.org/cn/v1/object/doi:1234/_030MXTI009R00_20030812.40.1",
# "https://cn.dataone.org/cn/v1/object/doi:1234/_030MXTI009R00_20030812.45.1")
# ## End(Not run)
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