public APNSChannelResponse withDefaultAuthenticationMethod(String defaultAuthenticationMethod) {
        setDefaultAuthenticationMethod(defaultAuthenticationMethod);
        return this;
    }
<p>
The default authentication method that Amazon Pinpoint uses to authenticate with APNs for this channel, key or
certificate.
</p>

@param defaultAuthenticationMethod
       The default authentication method that Amazon Pinpoint uses to authenticate with APNs for this channel,
       key or certificate.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/APNSChannelResponse.java