map
fun <SNAPSHOT, ELEMENT> DataFeed<SNAPSHOT, ELEMENT>.mapErrors(transform: (Throwable) -> Throwable): DataFeed<SNAPSHOT, ELEMENT>
Returns a DataFeed that transforms errors according to the provided transform function.
fun <ELEMENT> <Error class: unknown class><ELEMENT>.mapErrors(transform: (Throwable) -> Throwable): <Error class: unknown class><ELEMENT>
Returns an Observable that transforms errors according to the provided transform function.