addValues abstract method
Add all values
to specified key
Is equivilent to calling add(
key
, value)
for all values
.
Note: if values
is empty key
will still be added and mapped to an
empty Iterable.
See add.
Throws ArgumentError if key
is empty or null.
Throws ArgumentError if keyMapping(
key
)
is empty or null.
Implementation
void addValues(String key, Iterable<V> values);