HttpProtocolOptions specifies Http upstream protocol options.

If this is used, the cluster can use either HTTP/1 or HTTP/2, and will use whichever protocol is negotiated by ALPN with the upstream.

HttpProtocolOptions_AutoHttpConfigValidationError is the validation error returned by HttpProtocolOptions_AutoHttpConfig.Validate if the designated constraints aren't met.

If this is used, the cluster will only operate on one of the possible upstream protocols.

HttpProtocolOptions_ExplicitHttpConfigValidationError is the validation error returned by HttpProtocolOptions_ExplicitHttpConfig.Validate if the designated constraints aren't met.

If this is used, the cluster can use either of the configured protocols, and will use whichever protocol was used by the downstream connection.

HttpProtocolOptions_UseDownstreamHttpConfigValidationError is the validation error returned by HttpProtocolOptions_UseDownstreamHttpConfig.Validate if the designated constraints aren't met.

HttpProtocolOptionsValidationError is the validation error returned by HttpProtocolOptions.Validate if the designated constraints aren't met.

HttpProtocolOptions_AutoHttpConfigMultiError is an error wrapping multiple validation errors returned by HttpProtocolOptions_AutoHttpConfig.ValidateAll() if the designated constraints aren't met.

HttpProtocolOptions_ExplicitHttpConfigMultiError is an error wrapping multiple validation errors returned by HttpProtocolOptions_ExplicitHttpConfig.ValidateAll() if the designated constraints aren't met.

HttpProtocolOptions_UseDownstreamHttpConfigMultiError is an error wrapping multiple validation errors returned by HttpProtocolOptions_UseDownstreamHttpConfig.ValidateAll() if the designated constraints aren't met.

HttpProtocolOptionsMultiError is an error wrapping multiple validation errors returned by HttpProtocolOptions.ValidateAll() if the designated constraints aren't met.