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                      "properties": { "role": { "const": "contribution" } },
                      "required": ["role"]
                    },
                    "minContains": 1
                  },
                  {
                    "contains": {
                      "properties": { "role": { "const": "total" } },
                      "required": ["role"]
                    },
                    "minContains": 1,
                    "maxContains": 1
                  }
                ]
              }
            }
          },
          "else": {
            "if": {
              "properties": { "chart_type": { "const": "paired-scatter" } },
              "required": ["chart_type"]
            },
            "then": {},
            "else": {
              "properties": {
                "series": {
                  "type": "array",
                  "minItems": 1,
                  "items": { "$ref": "#/$defs/seriesV12" }
                }
              }
            }
          }
        },
        {
          "if": {
            "properties": { "chart_type": { "enum": ["composition-area", "composition-bar"] } },
            "required": ["chart_type"]
          },
          "then": {
            "required": ["reconciliation"],
            "properties": { "reconciliation": { "$ref": "#/$defs/reconciliation" } }
          }
        },
        {
          "if": { "required": ["reconciliation"] },
          "then": {
            "required": ["chart_type"],
            "properties": { "chart_type": { "enum": ["composition-area", "composition-bar", "waterfall"] } }
          }
        }
      ],
      "properties": {
        "title": { "$ref": "#/$defs/nonEmptyString" },
        "caption": { "$ref": "#/$defs/nonEmptyString" },
        "chart_type": { "enum": ["series-delta", "series-value", "heatmap", "small-multiples", "paired-scatter", "composition-area", "composition-bar", "waterfall"] },
        "year": { "$ref": "#/$defs/year" },
        "year_selector": { "type": "boolean" },
        "observation_mode": { "enum": ["single-year", "selectable"], "default": "single-year" },
        "display_selector": { "type": "boolean", "default": false },
        "color_by_sign": { "type": "boolean", "default": false },
        "level_base": { "$ref": "#/$defs/finiteNumber" },
        "view_group": { "type": "string", "pattern": "\\S" },
        "view_label": { "type": "string", "pattern": "\\S" },
        "start_year": { "$ref": "#/$defs/year" },
        "end_year": { "$ref": "#/$defs/year" },
        "orientation": { "enum": ["vertical", "horizontal"] },
        "show_labels": { "type": "boolean", "default": false },
        "sort": { "enum": ["value-ascending", "value-descending"] },
        "x_axis": { "$ref": "#/$defs/axisV14" },
        "y_axis": { "$ref": "#/$defs/axisV14" },
        "x_dimension": { "$ref": "#/$defs/nonEmptyString" },
        "y_dimension": { "$ref": "#/$defs/nonEmptyString" },
        "color_axis": { "$ref": "#/$defs/colorAxis" },
        "facet_dimension": { "$ref": "#/$defs/nonEmptyString" },
        "group_dimension": { "$ref": "#/$defs/nonEmptyString" },
        "reconciliation": {
          "oneOf": [
            { "$ref": "#/$defs/reconciliation" },
            { "$ref": "#/$defs/waterfallReconciliation" }
          ]
        },
        "series": {
          "type": "array",
          "minItems": 1,
          "items": { "$ref": "#/$defs/seriesV14" }
        }
      }
    },
    "nonEmptyNonYearString": {
      "allOf": [
        { "$ref": "#/$defs/nonEmptyString" },
        { "not": { "const": "year" } }
      ]
    }
  }
}