{
  "$schema": "../_schema.json",
  "element": "picture",
  "shared_base": true,
  "properties": {
    "alt": {
      "type": "string",
      "description": "alternative text (DocProperties.Description). When omitted, no description is written (intentional: an auto-filled filename is worse than none for screen readers). Aliases: alttext, description.",
      "aliases": [
        "altText",
        "alttext",
        "description"
      ],
      "add": true,
      "set": true,
      "get": true,
      "examples": [
        "--prop alt=\"Logo\"",
        "--prop alt=\"Company logo\""
      ],
      "readback": "string",
      "enforcement": "report"
    },
    "contentType": {
      "type": "string",
      "description": "OOXML content-type of the embedded image part (e.g. `image/png`, `image/jpeg`). Read from the package part referenced by the BlipFill embed relationship.",
      "add": false,
      "set": false,
      "get": true,
      "readback": "MIME-style content-type string from the image part",
      "enforcement": "report"
    },
    "fileSize": {
      "type": "number",
      "description": "embedded image file size in bytes (length of the image part stream).",
      "add": false,
      "set": false,
      "get": true,
      "readback": "byte length of the embedded image part",
      "enforcement": "report"
    },
    "relId": {
      "type": "string",
      "description": "relationship id of the embedded image part (rId-style token). Required input for `get --save <path>` binary extraction.",
      "add": false,
      "set": false,
      "get": true,
      "readback": "relationship id token",
      "enforcement": "report"
    },
    "src": {
      "type": "string",
      "description": "image source (file path, URL, data-URI); accepted on add/set only. Get does NOT surface this key; the embedded relationship id is exposed under a separate Format[\"relId\"] key.",
      "aliases": [
        "path"
      ],
      "add": true,
      "set": true,
      "get": false,
      "examples": [
        "--prop src=/path/to/image.png"
      ],
      "readback": "add/set-only input; not echoed by Get. Use Format[\"relId\"] to inspect the embedded image relationship.",
      "enforcement": "report"
    }
  }
}