Add public API `WriteWithCallback` to support custom callbacks #1871

Job	Run time
build-linux	16m 5s
build-linux-cmake-with-folly-coroutines	28m 32s
build-linux-cmake-with-folly	26m 1s
build-linux-cmake-mingw	12m 20s
build-linux-cmake-with-folly-lite-no-test	7m 59s
build-linux-gcc-7-with-folly	25m 2s
build-linux-gcc-7-with-folly-lite-no-test	7m 45s
check-format-and-targets	29s
build-examples	10m 56s
build-fuzzers	8m 28s
build-linux-clang10-asan	16m 18s
build-linux-clang10-clang-analyze	16m 39s
build-linux-clang-13-no_test_run	7m 2s
build-linux-clang-no_test_run	11m 30s
build-linux-cmake-with-benchmark	18m 30s
build-linux-encrypted_env-no_compression	15m 12s
build-linux-gcc-10-cxx20-no_test_run	8m 59s
build-linux-gcc-11-no_test_run	9m 44s
build-linux-gcc-8-no_test_run	8m 21s
build-linux-mini-crashtest	30m 0s
build-linux-release	13m 50s
build-linux-release-rtti	12m 1s
build-linux-unity-and-headers	12m 48s
build-linux-arm	12m 53s
build-linux-clang10-mini-tsan	23m 15s
build-linux-clang10-ubsan	15m 46s
build-linux-java	15m 39s
build-linux-java-pmd	11m 38s
build-linux-java-static	11m 29s
build-linux-static_lib-alt_namespace-status_checked	18m 19s
build-macos	15m 6s
build-macos-cmake (true)	37m 20s
build-macos-java	13m 38s
build-macos-java-static	19m 17s
build-macos-cmake (false)	34m 57s
build-macos-java-static-universal	17m 48s
build-windows-vs2019	52m 22s
	10h 23m 58s

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