Open up some transaction methods

[lbloder]

📜 Description

Open up some transaction methods, so that they can be used from outside sentry
Add new startChild method to set timestamp

💡 Motivation and Context

Fixes #2640

💚 How did you test it?

📝 Checklist

• I reviewed the submitted code.
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[github-actions]

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Generated by 🚫 dangerJS against f8d3e91

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	345.55 ms	454.82 ms	109.27 ms
Size	1.72 MiB	2.28 MiB	565.45 KiB

Previous results on branch: feat/public-transaction-methods

Startup times

Revision	Plain	With Sentry	Diff
2a22604	291.21 ms	342.83 ms	51.62 ms
1212d48	419.29 ms	484.16 ms	64.88 ms
b91be82	345.02 ms	365.88 ms	20.86 ms
3b09b8a	323.26 ms	369.64 ms	46.38 ms

App size

Revision	Plain	With Sentry	Diff
2a22604	1.72 MiB	2.28 MiB	565.45 KiB
1212d48	1.72 MiB	2.28 MiB	565.45 KiB
b91be82	1.72 MiB	2.28 MiB	565.45 KiB
3b09b8a	1.72 MiB	2.28 MiB	565.45 KiB

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.02 🎉

Comparison is base (ba90bd9) 81.05% compared to head (f8d3e91) 81.07%.

❗ Current head f8d3e91 differs from pull request most recent head 9ad6634. Consider uploading reports for the commit 9ad6634 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2701      +/-   ##
============================================
+ Coverage     81.05%   81.07%   +0.02%     
- Complexity     4427     4432       +5     
============================================
  Files           345      345              
  Lines         16356    16358       +2     
  Branches       2219     2219              
============================================
+ Hits          13258    13263       +5     
+ Misses         2170     2167       -3     
  Partials        928      928              

Impacted Files	Coverage Δ
sentry/src/main/java/io/sentry/IHub.java	92.59% <ø> (ø)
sentry/src/main/java/io/sentry/Sentry.java	83.55% <ø> (ø)
...ry/src/main/java/io/sentry/TransactionOptions.java	88.00% <ø> (ø)
...entry/src/main/java/io/sentry/NoOpTransaction.java	32.65% <100.00%> (+7.65%)	⬆️
sentry/src/main/java/io/sentry/SentryTracer.java	94.44% <100.00%> (+0.02%)	⬆️

☔ View full report in Codecov by Sentry.
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[lbloder]

Hey @romtsn,
Thanks for reviewing.

I missed removing the @ApiStatus.Internal annotation from the TransactionOptions class, which I have done now and also added javadoc comments to it. Do you mind having another quick glance?

Thanks

[romtsn]

looks good, thanks @lbloder !