code: public static Value int64Array(@Nullable long[] v, int pos, int length) {
      return int64ArrayFactory.create(v, pos, length);
    }
docs: Returns an {@code ARRAY<INT64>} value that takes its elements from a region of an array.
  
  @param v the source of element values, which may be null to produce a value for which {@code
  isNull()} is {@code true}
  @param pos the start position of {@code v} to copy values from. Ignored if {@code v} is {@code
  null}.
  @param length the number of values to copy from {@code v}. Ignored if {@code v} is {@code
  null}.