      "PoolType": {
        "description": "Possible pool types, it can be either a constant product (xyk) pool or a stable swap pool.",
        "oneOf": [
          {
            "description": "A stable swap pool.",
            "type": "object",
            "required": [
              "stable_swap"
            ],
            "properties": {
              "stable_swap": {
                "type": "object",
                "required": [
                  "amp"
                ],
                "properties": {
                  "amp": {
                    "description": "The amount of amplification to perform on the constant product part of the swap formula.",
                    "type": "integer",
                    "format": "uint64",
                    "minimum": 0.0
                  }
                },
                "additionalProperties": false
              }
    /// Minimum amplification coefficient.
    pub const MIN_AMP: u64 = 1;
