FORKING - Apache/Beam Optimization and Clean code.

[NopAngel]

Apache/Beam code has been optimized. The code is cleaner and easier to read.

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• #https://github.com/NopAngel/beam-apache/commit/4b4836aae677d587daf51dd5b4a95e9f1f076c6c, #https://github.com/NopAngel/beam-apache/commit/e7b1b16345c68b5a366b8a24b0916d1bee6e4b65, #https://github.com/NopAngel/beam-apache/commit/4b3a9712b45eae51ada6aeeba87833aa7828e487

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