<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<xs:schema version="1.0" targetNamespace="http://ser" xmlns:tns="http://ser" xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:element name="helloWorld" type="tns:helloWorld"/>

  <xs:element name="helloWorldResponse" type="tns:helloWorldResponse"/>

  <xs:element name="listenToTheWorld" type="tns:listenToTheWorld"/>

  <xs:complexType name="helloWorld">
    <xs:sequence/>
  </xs:complexType>

  <xs:complexType name="helloWorldResponse">
    <xs:sequence>
      <xs:element name="returnMessage" type="xs:string" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="listenToTheWorld">
    <xs:sequence>
      <xs:element name="message" type="xs:string" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
</xs:schema>