Make column names unique when duplicated column names are found after the transformation
make_unique_column_names(after, kept, before, rename)
An adjusted <vector>
if there were duplicated names introduced
due to the transformation
A <vector>
with the transformed column names
A <logical>
vector where column names to keep are set to
TRUE
A <vector>
with the initial column names
A <vector>
with the indices of the column names to be
renamed