@JvmOverloads fun replaceWithCounter(isDefault: Boolean = false): Unit
Replace a value at the document's key defined by the preceding subscripting with a counter.
isDefault - represents whether or not the value is being replaced with a counter that should serve as a default value. Set this to true if you want to set a default value that you expect to be overwritten by other devices in the network. The default value is false.
DittoError - Thrown if trying to update the document at an invalid key.