Cursor

A position in a query result set.

JSON representation 
{
  "values": [
    {
      object (Value)
    }
  ],
  "before": boolean
}
Fields
values[]

object (Value)

The values that represent a position, in the order they appear in the order by clause of a query.

Can contain fewer values than specified in the order by clause.
before

boolean

If the position is just before or just after the given values, relative to the sort order defined by the query.