datasetIdGetData
fun datasetIdGetData(datasetLocation: <Error class: unknown class>, keyId: <Error class: unknown class>): <Error class: unknown class>?
Gets the data element corresponding to a #GQuark.
Return
the data element corresponding to the #GQuark, or null if it is not found.
Parameters
datasetLocation
the location identifying the dataset.
keyId
the #GQuark id to identify the data element.