*/
@ElementTypesAreNonnullByDefault
public final class MapMaker {
  private int initialCapacity = 16;

  public MapMaker() {}

  @CanIgnoreReturnValue
  public MapMaker initialCapacity(int initialCapacity) {
    if (initialCapacity < 0) {
      throw new IllegalArgumentException();
    }
    this.initialCapacity = initialCapacity;
    return this;
  }

  @CanIgnoreReturnValue