<!-- typeMismatchDueToProjectionsTxt1 -->
Type mismatch: inferred type is kotlin.collections.MutableCollection<kotlin.CharSequence> but kotlin.collections.Collection<kotlin.Nothing> was expected. Projected type kotlin.collections.MutableCollection<out kotlin.CharSequence> restricts use of public abstract fun addAll(elements: kotlin.collections.Collection<E>): kotlin.Boolean defined in kotlin.collections.MutableCollection