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imports:
  - "mongo/idl/cluster_server_parameter.idl"

global:
    cpp_namespace: mongo

structs:
  ShardedClusterCardinalityParam:
    description: >-
        Cluster parameter for the number of shards in a sharded cluster. Used to allow or disallow
        direct writes to the cluster.
    inline_chained_structs: true
    chained_structs:
      ClusterServerParameter: clusterServerParameter
    fields:
      hasTwoOrMoreShards:
        description: >-
            Whether there are or have been two or more shards in the cluster. Shards should disallow
            direct writes if set to true.
        type: bool
        default: false

server_parameters:
    shardedClusterCardinalityForDirectConns:
        description: >-
            Cluster parameter for the number of shards in a sharded cluster. Used to allow or
            disallow direct writes to the cluster.
        set_at: cluster
        cpp_vartype: ShardedClusterCardinalityParam
        cpp_varname: shardedClusterCardinalityForDirectConns