Converts or omits an object's keys according to a mapping.
An object whose keys will be remapped
A mapping of original keys to new keys. If a key is not present in the mapping, it will be left as is. If a key is mapped to null, it will be removed in the resulting object.
null
A new object with keys remapped or omitted according to the mappings
Converts or omits an object's keys according to a mapping.