{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "specification": {
      "type": "string",
      "value": "probeinterface"
    },
    "version": {
      "type": "string",
      "pattern": "^\\d+\\.\\d+\\.\\d+$"
    },
    "probes": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "ndim": {
            "type": "integer",
            "enum": [2, 3]
          },
          "si_units": {
            "type": "string",
            "enum": ["mm","um"]
          },
          "annotations": {
            "type": "object",
            "properties": {
              "model_name": { "type": "string" },
              "manufacturer": { "type": "string" }
            },
            "required": ["model_name", "manufacturer"],
            "additionalProperties": true
          },
          "contact_annotations": {
            "type": "object",
            "additionalProperties": true
          },
          "contact_positions": {
            "type": "array",
            "items": {
              "type": "array",
              "items": {
                "type": "number"
              },
              "minItems": 2,
              "maxItems": 3
            }
          },
          "contact_plane_axes": {
            "type": "array",
            "items": {
              "type": "array",
              "items": {
                "type": "array",
                "items": { "type": "number" },
                "minItems": 2,
                "maxItems": 3
              },
              "minItems": 2,
              "maxItems": 2
            }
          },
          "contact_shapes": {
            "type": "array",
            "items": { "type": "string", "enum": ["circle", "rect", "square"] }
          },
          "contact_shape_params": {
            "type": "array",
            "items": {
              "anyOf": [
                {
                  "type": "object",
                  "properties": { "radius": { "type": "number", "minimum": 0 } },
                  "required": ["radius"]
                },
                {
                  "type": "object",
                  "properties": {
                    "width": { "type": "number", "minimum": 0 },
                    "height": { "type": "number", "minimum": 0 }
                  },
                  "required": ["width"]
                }
              ]
            }
          },
          "probe_planar_contour": {
            "type": "array",
            "items": {
              "type": "array",
              "items": { "type": ["integer", "number"] },
              "minItems": 2,
              "maxItems": 3
            }
          },
          "contact_ids": {
            "type": "array",
            "items": { "type": "string" }
          },
          "shank_ids": {
            "type": "array",
            "items": { "type": "string" }
          },
          "contact_sides": {
            "type": "array",
            "items": { "type": "string" }
          },
          "device_channel_indices": {
            "type": "array",
            "items": { "type": "integer" }
          }
        },
        "required": [
          "ndim",
          "si_units",
          "annotations",
          "contact_positions",
          "contact_shapes",
          "contact_shape_params"
        ],
        "additionalProperties": false
      }
    }
  },
  "required": ["specification", "version", "probes"],
  "additionalProperties": false
}