variables
fun <D : Executable.Data> Executable<D>.variables(customScalarAdapters: CustomScalarAdapters): Executable.Variables
Returns a map of the variables as they would be sent over the wire. Use this to construct your own HTTP requests
fun <D : Executable.Data> Executable<D>.variables(customScalarAdapters: CustomScalarAdapters, withDefaultValues: Boolean): Executable.Variables