public void setMajorEngineVersion(String majorEngineVersion) {
        this.majorEngineVersion = majorEngineVersion;
    }
<p>
Indicates the major engine version associated with this option group.
</p>

@param majorEngineVersion
       Indicates the major engine version associated with this option group.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/OptionGroup.java