public Long getMajorVersion() {
        return this.majorVersion;
    }
<p>
The major version of this extension you want to activate, if multiple major versions are available. The default
is the latest major version. CloudFormation uses the latest available <i>minor</i> version of the major version
selected.
</p>
<p>
You can specify <code>MajorVersion</code> or <code>VersionBump</code>, but not both.
</p>

@return The major version of this extension you want to activate, if multiple major versions are available. The
        default is the latest major version. CloudFormation uses the latest available <i>minor</i> version of the
        major version selected.</p>
        <p>
        You can specify <code>MajorVersion</code> or <code>VersionBump</code>, but not both.
aws-java-sdk-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/ActivateTypeRequest.java