github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver.lokiReceiver.startHTTPServer calls github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver.startHTTPServer, which eventually calls github.com/rs/cors.Cors.handlePreflight

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver.lokiReceiver.startProtocolsServers calls go.opentelemetry.io/collector/config/confighttp.HTTPServerSettings.ToServer, which eventually calls github.com/rs/cors.New

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal.ParseRequest calls fmt.Errorf, which eventually calls golang.org/x/net/http2.ConnectionError.Error

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal.ParseRequest calls fmt.Errorf, which eventually calls golang.org/x/net/http2.ErrCode.String

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal.ParseRequest calls fmt.Errorf, which eventually calls golang.org/x/net/http2.FrameHeader.String

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal.ParseRequest calls fmt.Errorf, which eventually calls golang.org/x/net/http2.FrameType.String

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal.ParseRequest calls fmt.Errorf, which eventually calls golang.org/x/net/http2.Setting.String

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal.ParseRequest calls fmt.Errorf, which eventually calls golang.org/x/net/http2.SettingID.String

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal.ParseRequest calls fmt.Errorf, which eventually calls golang.org/x/net/http2.StreamError.Error

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/lokireceiver/internal.ParseRequest calls fmt.Errorf, which eventually calls golang.org/x/net/http2.connError.Error