OptionalauthToken: stringOptionalpushNotificationConfig: PushNotificationConfigOptionalcustomHeaders: Record<string, string>OptionalsigningContext: AgentSigningContextOptionalsession: A2ASessionIdsOptionalsignal: AbortSignalOptionalrequestTimeoutMs: numberOptionalfetchFn: {Optionalinit: RequestInitOptionalinit: RequestInitOptionalallowPrivateIp: boolean
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