"roundingMode": {
          "description": "Optional. Specifies the rounding mode to be used when storing values of NUMERIC and BIGNUMERIC type.",
          "enum": [
            "ROUNDING_MODE_UNSPECIFIED",
            "ROUND_HALF_AWAY_FROM_ZERO",
            "ROUND_HALF_EVEN"
          ],
          "enumDescriptions": [
            "Unspecified will default to using ROUND_HALF_AWAY_FROM_ZERO.",
            "ROUND_HALF_AWAY_FROM_ZERO rounds half values away from zero when applying precision and scale upon writing of NUMERIC and BIGNUMERIC values. For Scale: 0 1.1, 1.2, 1.3, 1.4 =\u003e 1 1.5, 1.6, 1.7, 1.8, 1.9 =\u003e 2",
            "ROUND_HALF_EVEN rounds half values to the nearest even value when applying precision and scale upon writing of NUMERIC and BIGNUMERIC values. For Scale: 0 1.1, 1.2, 1.3, 1.4 =\u003e 1 1.5 =\u003e 2 1.6, 1.7, 1.8, 1.9 =\u003e 2 2.5 =\u003e 2"
          ],
          "type": "string"