public ProxyConfiguration proxyPort(int proxyPort) {
        setProxyPort(proxyPort);
        return this;
    }
Sets the proxy port the client will connect through.

@param proxyPort The proxy port the client will connect through.
@return This object for method chaining.
aws-java-sdk-opensdk/src/main/java/com/amazonaws/opensdk/config/ProxyConfiguration.java