Unique ID of that operation within the document, Lamport timestamp.
Methods
name
name(): "new_val"
User friendly name of the operation.
Returns "new_val"
span
span(): number
Some operations, such as array and string insert/delete operations are
compound a single operation instance effectively represents multiple
operations (one per character or array element).
This method returns the effective number of operations.
Operation which creates a new value object.