### Question:
B2ListUnfinishedLargeFilesRequest { public static Builder builder(String bucketId) { return new Builder(bucketId); } @B2Json.constructor(params = "bucketId,namePrefix,startFileId,maxFileCount")  B2ListUnfinishedLargeFilesRequest(String bucketId,
                                             String namePrefix,
                                             String startFileId,
                                             Integer maxFileCount); String getBucketId(); String getNamePrefix(); String getStartFileId(); Integer getMaxFileCount(); @Override boolean equals(Object o); @Override int hashCode(); static Builder builder(String bucketId); static Builder builder(B2ListUnfinishedLargeFilesRequest request);  }### Answer:
@Test public void testBuilderCopies() { final B2ListUnfinishedLargeFilesRequest original = new B2ListUnfinishedLargeFilesRequest( "bucketId", "namePrefix", "startFileId", 123 ); assertEquals( original, B2ListUnfinishedLargeFilesRequest.builder(original).build() ); }
@Test public void testBuilderSetsAll() { final B2ListUnfinishedLargeFilesRequest original = new B2ListUnfinishedLargeFilesRequest( "bucketId", "namePrefix", "startFileId", 123 ); assertEquals( original, B2ListUnfinishedLargeFilesRequest .builder("bucketId") .setNamePrefix("namePrefix") .setStartFileId("startFileId") .setMaxFileCount(123) .build() ); }