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+* pty4j - Java PTY implementation - https://github.com/traff/pty4j
+* purejavacomm - we use forked version that fixes JNA and YourKit Profiler incompatibility - https://github.com/traff/purejavacomm
+* libwinpty.dll and winpty-agent.exe - Windows PTY native implementation used by pty4j, we use forked version from https://github.com/traff/winpty
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