copy
fun copy( graph_ref: String = this.graph_ref, hostname: String = this.hostname, agent_version: String = this.agent_version, service_version: String = this.service_version, runtime_version: String = this.runtime_version, uname: String = this.uname, executable_schema_id: String = this.executable_schema_id, unknownFields: ByteString = this.unknownFields): ReportHeader