{
  "$defs": {
    "ContentFormDeclaration": {
      "additionalProperties": false,
      "description": "A form: its rows, printed top to bottom for the first `items` entry (or, with `items`\nabove one, one set of rows per item up to that many).",
      "properties": {
        "rows": {
          "items": {
            "$ref": "#/$defs/ContentRowDeclaration"
          },
          "maxItems": 6,
          "minItems": 1,
          "title": "Rows",
          "type": "array"
        },
        "items": {
          "default": 1,
          "maximum": 6,
          "minimum": 1,
          "title": "Items",
          "type": "integer"
        },
        "show_title": {
          "default": false,
          "description": "Print the preset's title as a caption below the rows, where it fits.",
          "title": "Show Title",
          "type": "boolean"
        }
      },
      "required": [
        "rows"
      ],
      "title": "ContentFormDeclaration",
      "type": "object"
    },
    "ContentRowDeclaration": {
      "additionalProperties": false,
      "description": "One row of a declared form: an item field, optionally joined with another (`value ·\nunit`), from the first `items` entries. `lines` bounds the row; the host measures it.",
      "properties": {
        "field": {
          "pattern": "^[a-z][a-z_]{0,23}$",
          "title": "Field",
          "type": "string"
        },
        "join": {
          "items": {
            "pattern": "^[a-z][a-z_]{0,23}$",
            "type": "string"
          },
          "maxItems": 3,
          "title": "Join",
          "type": "array"
        },
        "lines": {
          "default": 1,
          "maximum": 4,
          "minimum": 1,
          "title": "Lines",
          "type": "integer"
        },
        "role": {
          "default": "essential",
          "enum": [
            "vital",
            "essential",
            "incidental",
            "hero",
            "secondary"
          ],
          "title": "Role",
          "type": "string"
        }
      },
      "required": [
        "field"
      ],
      "title": "ContentRowDeclaration",
      "type": "object"
    }
  },
  "additionalProperties": false,
  "description": "A preset's own forms, by variant. A variant not declared keeps the presentation's\ndefault form; `glance` is the one worth declaring most (what the block shows in a cell\nwith room for a single row).",
  "properties": {
    "glance": {
      "anyOf": [
        {
          "$ref": "#/$defs/ContentFormDeclaration"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "line": {
      "anyOf": [
        {
          "$ref": "#/$defs/ContentFormDeclaration"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "compact": {
      "anyOf": [
        {
          "$ref": "#/$defs/ContentFormDeclaration"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "full": {
      "anyOf": [
        {
          "$ref": "#/$defs/ContentFormDeclaration"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    }
  },
  "title": "ContentLadderDeclaration",
  "type": "object"
}