@ToString
public class StartTransactionRequest implements RequestType {

    protected int connectorId;
    
    @XmlElement(required = true)
    protected String idTag;
    
    @XmlElement(required = true, type = String.class)
    @XmlJavaTypeAdapter(JodaDateTimeConverter.class)
    @XmlSchemaType(name = "dateTime")
    protected DateTime timestamp;
   
    protected int meterStart;
   
    protected Integer reservationId;

    // Getters and Setters
}

@ToString
public class StartTransactionRequest implements RequestType {

    @jakarta.validation.constraints.NotNull
    protected java.lang.Integer connectorId;
    
    @XmlElement(required = true)
    @jakarta.validation.constraints.NotNull
    @Size(max = 20)
    protected String idTag;
    
    @XmlElement(required = true, type = String.class)
    @XmlJavaTypeAdapter(JodaDateTimeConverter.class)
    @XmlSchemaType(name = "dateTime")
    @jakarta.validation.constraints.NotNull
    protected DateTime timestamp;
    
    @jakarta.validation.constraints.NotNull
    protected java.lang.Integer meterStart;
    
    protected java.lang.Integer reservationId;

    // Getters and Setters
}