hi, all! i am novice in kotlin. doyou know, what d...

# announcements

[panick]

hi, all!
i am novice in kotlin.
doyou know, what do with this? (converted from android java)
Error: Out-projected type 'MutableMap<*, *>' prohibits the use of 'public abstract fun put(key: K, value: V): V? defined in kotlin.collections.MutableMap'