{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sheets.googleapis.com/schemas/value-range",
  "title": "Spreadsheet Value Range",
  "description": "Schema for a range of values in a Google Sheets or Microsoft Excel spreadsheet, identified by A1 notation.",
  "type": "object",
  "properties": {
    "range": {
      "type": "string",
      "description": "The range the values cover, in A1 notation (e.g., 'Sheet1!A1:D10')",
      "pattern": "^[^!]*!?[A-Z]+[0-9]+:[A-Z]+[0-9]+$|^[^!]*!?[A-Z]+[0-9]+$|^[^!]*$",
      "examples": ["Sheet1!A1:D10", "A1:B5", "'My Sheet'!C3:F20"]
    },
    "majorDimension": {
      "type": "string",
      "enum": ["ROWS", "COLUMNS"],
      "default": "ROWS",
      "description": "The primary orientation of the values array. ROWS means values[i] is the i-th row."
    },
    "values": {
      "type": "array",
      "description": "The data values in row-major or column-major order depending on majorDimension",
      "items": {
        "type": "array",
        "description": "A single row (or column if majorDimension=COLUMNS)",
        "items": {
          "description": "A cell value. Can be a string, number, boolean, or empty string.",
          "oneOf": [
            {"type": "string"},
            {"type": "number"},
            {"type": "boolean"},
            {"type": "null"}
          ]
        }
      },
      "examples": [
        [["Name", "Age", "City"], ["Alice", 30, "New York"], ["Bob", 25, "Chicago"]],
        [["Revenue", 1500.50], ["Expenses", 800.25], ["Profit", 700.25]]
      ]
    }
  },
  "required": ["range", "values"]
}