Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

#2653)

This pull request is generated with proto changes between [googleapis/googleapis@b031657](https://togithub.com/googleapis/googleapis/commit/b0316578aaf7434e3c5bb93badd252f67aacf8d5) (exclusive) and [googleapis/googleapis@6821943](https://togithub.com/googleapis/googleapis/commit/6821943108fe3284f483defc9b60774a3752de2b) (inclusive).

BEGIN_COMMIT_OVERRIDE
BEGIN_NESTED_COMMIT
fix(deps): update the Java code generator (gapic-generator-java) to 2.62.3
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BEGIN_NESTED_COMMIT
chore: update the libraries_bom version to 26.70.0
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feat: Add Type API updates needed to support structured keys in materialized views
feat: Add encodings for STRUCT and the Timestamp type

PiperOrigin-RevId: 805031861

Source Link: [googleapis/googleapis@6d1dca2](https://togithub.com/googleapis/googleapis/commit/6d1dca2b8e3d50914609414e219df2778b2b20ba)
END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
fix: Fixed the bigtableadmin API name for snippet region tags and possibly other GAPIC attributes

PiperOrigin-RevId: 797086089

Source Link: [googleapis/googleapis@3b2a2ae](https://togithub.com/googleapis/googleapis/commit/3b2a2ae91db23a9c879b2b725d6a5de6bd64a800)
END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
fix: Add ReadRows/SampleRowKeys bindings for materialized views

PiperOrigin-RevId: 793800781

Source Link: [googleapis/googleapis@fe06a49](https://togithub.com/googleapis/googleapis/commit/fe06a492944dc3a8360ed5b426942d34631eeca7)
END_NESTED_COMMIT
END_COMMIT_OVERRIDE

* test: attempt to fix flaky test that throws NPE

* use tree set

* samples: Add SchemaBundle admin examples

Change-Id: Ib0cd4ae382dac1984d5f6aaf14ea1d22c4ef5a69

* misc: Address review comments

Change-Id: I7fa8e047bc3485509742545f88143782476b2f02

* misc: Move around proto files to follow java convention and change packaging config

Change-Id: I1d7befa83ce79e92ec50458e137c243372574a40

* sample: Fix PROTO_FILE_PATH in SchemaBundleExample

Change-Id: I9699979a595d77f53e53f619a86b6d03b29512a5

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Co-authored-by: Mattie Fu <mattiefu@google.com>

#2694)

* chore: Update generation configuration at Tue Oct 14 02:34:59 UTC 2025

* chore: Update generation configuration at Wed Oct 15 02:35:40 UTC 2025

* chore: generate libraries at Wed Oct 15 02:36:08 UTC 2025

* chore: Update generation configuration at Thu Oct 16 02:34:55 UTC 2025

* chore: Update generation configuration at Fri Oct 17 02:36:38 UTC 2025

* chore: generate libraries at Fri Oct 17 02:37:09 UTC 2025

* chore: Update generation configuration at Sat Oct 18 02:30:31 UTC 2025

* chore: Update generation configuration at Sun Oct 19 02:38:23 UTC 2025

* chore: Update generation configuration at Tue Oct 21 02:35:52 UTC 2025

* chore: Update generation configuration at Wed Oct 22 02:38:13 UTC 2025

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Co-authored-by: Mattie Fu <mattiefu@google.com>

* chore(main): release 2.68.0

* chore: generate libraries at Wed Oct 22 16:57:47 UTC 2025

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Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: cloud-java-bot <cloud-java-bot@google.com>