const plugin: FastifyPluginAsyncJsonSchemaToTs = async function (
  fastify,
  _opts
) {
  fastify.get(
    "/",
    {
      schema: {
        body: {
          type: "object",
          properties: {
            x: { type: "string" },
            y: { type: "number" },
            z: { type: "boolean" },
          },
          required: ["x", "y", "z"],
        } as const,
      },
    },
    (req) => {
      /// The `x`, `y`, and `z` types are automatically inferred
      const { x, y, z } = req.body;
    }
  );
};