CollectionConverters总是返回原始源对象吗？

CollectionConverts API states 在所有情况下，从源类型转换为目标类型再转换回   再次将返回原始源对象。 This does not seem to be always true. For example, in the following case it is indeed true val orig = ListBuffer(1,2,3) assert(orig.asJava.asScala eq orig) // OK however here the asserti...