{
  "name": "switch",
  "description": "Evaluates one of several branches based on the input value",
  "signature": {
    "input": {
      "kind": "switch-value",
      "description": "Value to compare against the child [case] values",
      "required": true,
      "mode": "ValueOrExpression"
    },
    "children": {
      "case": {
        "type": "object",
        "kind": "switch-value",
        "description": "Case branch matching the switch value",
        "required": true,
        "mode": "ValueOrExpression",
        "cardinality": "OneOrMore",
        "role": "Branch",
        "evaluation": "EvalSelf",
        "projection": "Self",
        "children": {
          "*": {
            "type": "lambda",
            "description": "Branch body executed when the case matches",
            "required": true,
            "mode": "ExecutableLambda",
            "cardinality": "OneOrMore",
            "role": "ExecutableBody",
            "evaluation": "EvalSelf",
            "projection": "Self"
          }
        }
      },
      "default": {
        "type": "lambda",
        "description": "Fallback branch when no case matches",
        "required": false,
        "mode": "ExecutableLambda",
        "cardinality": "ZeroOrOne",
        "role": "Branch",
        "evaluation": "EvalSelf",
        "projection": "Self",
        "children": {
          "*": {
            "type": "lambda",
            "description": "Fallback branch body",
            "required": true,
            "mode": "ExecutableLambda",
            "cardinality": "OneOrMore",
            "role": "ExecutableBody",
            "evaluation": "EvalSelf",
            "projection": "Self"
          }
        }
      }
    },
    "constraints": [
      {
        "description": "Only the listed child names are accepted",
        "values": [
          "case",
          "default"
        ],
        "kind": "OnlyChildren"
      }
    ]
  }
}