public String getDBSecurityGroupName() {
        return this.dBSecurityGroupName;
    }
<p>
The name of the DB security group to delete.
</p>
<note>
<p>
You can't delete the default DB security group.
</p>
</note>
<p>
Constraints:
</p>
<ul>
<li>
<p>
Must be 1 to 255 letters, numbers, or hyphens.
</p>
</li>
<li>
<p>
First character must be a letter
</p>
</li>
<li>
<p>
Can't end with a hyphen or contain two consecutive hyphens
</p>
</li>
<li>
<p>
Must not be "Default"
</p>
</li>
</ul>

@return The name of the DB security group to delete.</p> <note>
        <p>
        You can't delete the default DB security group.
        </p>
        </note>
        <p>
        Constraints:
        </p>
        <ul>
        <li>
        <p>
        Must be 1 to 255 letters, numbers, or hyphens.
        </p>
        </li>
        <li>
        <p>
        First character must be a letter
        </p>
        </li>
        <li>
        <p>
        Can't end with a hyphen or contain two consecutive hyphens
        </p>
        </li>
        <li>
        <p>
        Must not be "Default"
        </p>
        </li>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/DeleteDBSecurityGroupRequest.java