Method builder

guava/src/com/google/common/collect/ImmutableMap.java:352–354

Returns a new builder. The generated builder is equivalent to the builder created by the {@link Builder} constructor.

()

   * Builder} constructor.
   */
  public static <K, V> Builder<K, V> builder() {
    return new Builder<>();
  }

  /**
   * Returns a new builder, expecting the specified number of entries to be added.