public AvailabilityConfiguration withDateModified(java.util.Date dateModified) {
        setDateModified(dateModified);
        return this;
    }
<p>
The date and time at which the availability configuration was last modified.
</p>

@param dateModified
       The date and time at which the availability configuration was last modified.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-workmail/src/main/java/com/amazonaws/services/workmail/model/AvailabilityConfiguration.java