public FirewallDomainList withModificationTime(String modificationTime) {
        setModificationTime(modificationTime);
        return this;
    }
<p>
The date and time that the domain list was last modified, in Unix time format and Coordinated Universal Time
(UTC).
</p>

@param modificationTime
       The date and time that the domain list was last modified, in Unix time format and Coordinated Universal
       Time (UTC).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-route53resolver/src/main/java/com/amazonaws/services/route53resolver/model/FirewallDomainList.java