B2 (final com.google.common.collect.Table<? extends A, ? extends B, ? extends C> generics) { if (generics == null) { throw new java.lang.NullPointerException("generics cannot be null"); } if (this.generics == null) this.generics = com.google.common.collect.ImmutableTable.builder(); this.generics.putAll(generics); return self(); }