fn plan_compute_replica_config(
introspection_interval: Option<OptionalInterval>,
introspection_debugging: bool,
idle_arrangement_merge_effort: Option<u32>
) -> Result<ComputeReplicaConfig, PlanError>
fn plan_compute_replica_config(
introspection_interval: Option<OptionalInterval>,
introspection_debugging: bool,
idle_arrangement_merge_effort: Option<u32>
) -> Result<ComputeReplicaConfig, PlanError>