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100644 blob d1f6fa17cbffceb3e6f014242afacc9fbe937580	OptionalBackportJava11Main.java
100644 blob 1fa56178b9d62fa443f06230a5d8b3e9ecd6f7bf	OptionalDoubleBackportJava11Main.java
100644 blob 9d1a09af909165f29665b66bc595563562709abb	OptionalIntBackportJava11Main.java
100644 blob 573bbbab24bca083aebf7cf0797f7f52bcb582f7	OptionalLongBackportJava11Main.java
100644 blob d16674a8773d7320af53e0cf60ab73db4b2f6b4f	PredicateBackportJava11Main.java
100644 blob eaf2f8a70679f422a675ed5db42968e19287d6c5	StringBackportJava11Main.java