{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://typespec.io/schemas/program",
  "title": "TypeSpec Program",
  "description": "Represents a compiled TypeSpec program with resolved types and diagnostic information",
  "type": "object",
  "properties": {
    "projectRoot": {
      "type": "string",
      "description": "Absolute path to the TypeSpec project root directory"
    },
    "compilerOptions": {
      "type": "object",
      "description": "Compiler options used for this compilation",
      "properties": {
        "outputDir": {"type": "string"},
        "emit": {
          "type": "array",
          "items": {"type": "string"},
          "description": "List of emitter package names to run"
        },
        "options": {
          "type": "object",
          "description": "Per-emitter options keyed by emitter package name"
        },
        "linterRuleSet": {"type": "object"},
        "warningAsError": {"type": "boolean"},
        "trace": {
          "type": "array",
          "items": {"type": "string"}
        }
      }
    },
    "diagnostics": {
      "type": "array",
      "description": "Compilation diagnostics (errors and warnings)",
      "items": {
        "type": "object",
        "properties": {
          "code": {"type": "string"},
          "message": {"type": "string"},
          "severity": {"type": "string", "enum": ["error", "warning", "message"]},
          "target": {"type": "object"},
          "url": {"type": "string"}
        }
      }
    }
  }
}