B2 (final java.util.Map<? extends Integer, ? extends Float> integers) { if (integers == null) { throw new java.lang.NullPointerException("integers cannot be null"); } if (this.integers$key == null) { this.integers$key = new java.util.ArrayList<Integer>(); this.integers$value = new java.util.ArrayList<Float>(); } for (final java.util.Map.Entry<? extends Integer, ? extends Float> $lombokEntry : integers.entrySet()) { this.integers$key.add($lombokEntry.getKey()); this.integers$value.add($lombokEntry.getValue()); } return self(); }