YT-19210: expose YQL shared library for YT.

After this, a new target libyqlplugin.so appears. in open-source cmake build.
Diff in open-source YDB repo looks like the following: https://paste.yandex-team.ru/f302bdb4-7ef2-4362-91c7-6ca45f329264

1 files changed, 48 insertions, 0 deletions

diff --git a/library/cpp/yt/logging/plain_text_formatter/formatter.h b/library/cpp/yt/logging/plain_text_formatter/formatter.h
new file mode 100644
index 0000000000..1c35c7c5ee
--- /dev/null
+++ b/library/cpp/yt/logging/plain_text_formatter/formatter.h
@@ -0,0 +1,48 @@
+#pragma once
+
+#include <library/cpp/yt/string/raw_formatter.h>
+
+#include <library/cpp/yt/logging//logger.h>
+
+namespace NYT::NLogging {
+
+/////////////////////////////////////////////////////////////π///////////////////
+
+constexpr int DateTimeBufferSize = 64;
+constexpr int MessageBufferSize = 64_KB;
+
+void FormatMilliseconds(TBaseFormatter* out, TInstant dateTime);
+void FormatMicroseconds(TBaseFormatter* out, TInstant dateTime);
+void FormatLevel(TBaseFormatter* out, ELogLevel level);
+void FormatMessage(TBaseFormatter* out, TStringBuf message);
+
+/////////////////////////////////////////////////////////////π///////////////////
+
+class TCachingDateFormatter
+{
+public:
+    void Format(TBaseFormatter* buffer, TInstant dateTime, bool printMicroseconds = false);
+
+private:
+    ui64 CachedSecond_ = 0;
+    TRawFormatter<DateTimeBufferSize> Cached_;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+class TPlainTextEventFormatter
+{
+public:
+    explicit TPlainTextEventFormatter(bool enableSourceLocation);
+
+    void Format(TBaseFormatter* buffer, const TLogEvent& event);
+
+private:
+    const bool EnableSourceLocation_;
+
+    TCachingDateFormatter CachingDateFormatter_;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+} // namespace NYT::NLogging