Merge: fix/visibility -> add/java-build #277

Job	Run time
shellcheck	23s
actionlint	19s
validate-cargo-lock	57s
build-and-test-java-api (windows-latest)	1m 42s
build-and-test-python-api (windows-latest)	11s
build-and-test-java-api (macos-latest)	25s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	1s
build-and-test-python-api (macos-latest)	1s
build-and-test-java-api (ubuntu-latest)	2m 19s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	1s
build-and-test-python-api (ubuntu-latest)	1m 27s
build-windows-cpp-example	1s
c-header	1s
rust-integration-test-strategy-matrix	1s
rust-lint	1s
rust-unit-test	1s
rust-integration-test	1s
	7m 52s

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