Investigate how to support extraHeaders for gRPC/ HttpJson
#1752
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priority: p3
Desirable enhancement or fix. May not be included in next release.
type: feature request
‘Nice-to-have’ improvement, new feature or different behavior or design.
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lqiu96
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type: feature request
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Jun 8, 2023
…mplates/java_library/.kokoro (#1752) (#1079) * build(deps): bump protobuf from 3.20.1 to 3.20.2 in /synthtool/gcp/templates/java_library/.kokoro (#1752) build(deps): bump protobuf Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.20.1 to 3.20.2. - [Release notes](https://github.com/protocolbuffers/protobuf/releases) - [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py) - [Commits](protocolbuffers/protobuf@v3.20.1...v3.20.2) --- updated-dependencies: - dependency-name: protobuf dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Source-Link: googleapis/synthtool@239f962 Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-java:latest@sha256:d5da32501662e4e53365220cc14cfb1d3b9446585397d57dac50171d92556ae7 * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Alice <65933803+alicejli@users.noreply.github.com>
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For HttpJson: https://github.com/googleapis/sdk-platform-java/blob/main/gax-java/gax-httpjson/src/main/java/com/google/api/gax/httpjson/HttpJsonMetadata.java#L43
For gRPC: https://github.com/grpc/grpc-java/blob/master/api/src/main/java/io/grpc/Metadata.java
Metadata is implemented with as a
Map<String, List<String>>as a key can have multiple values.We want to investigate how properly support or expand support for extraHeaders / Metadata values. Look into the use cases for having multiple values in each key and how to pick which value to use.
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