otlp_json_serializer

/**
 * Create a JSON serializer for OTLP.
 *
 * Returns a JsonSerializer that converts telemetry data to OTLP JSON wire format.
 * Use this with CurlTransport for JSON over HTTP.
 *
 * Example usage:
 * ```php
 * $serializer = otlp_json_serializer();
 * $transport = otlp_curl_transport($endpoint, $serializer);
 * ```
 */
otlp_json_serializer() : JsonSerializer