@@ -0,0 +1,680 @@
+package io.michaelrocks.callmemaybe;%0A%0Apublic final class FormatParameters %7B%0A  public static final FormatParameters DEFAULT = newBuilder().build();%0A%0A  private final String region;%0A%0A  FormatParameters(final Builder builder) %7B%0A    this.region = builder.region;%0A  %7D%0A%0A  public static Builder newBuilder() %7B%0A    return new Builder();%0A  %7D%0A%0A  public String getRegion() %7B%0A    return region;%0A  %7D%0A%0A  public static class Builder %7B%0A    String region;%0A%0A    Builder() %7B%0A      // Nothing to do.%0A    %7D%0A%0A    public Builder region(final String region) %7B%0A      this.region = region;%0A      return this;%0A    %7D%0A%0A    public FormatParameters build() %7B%0A      return new FormatParameters(this);%0A    %7D%0A  %7D%0A%7D%0A

Introduce FormatParameters