public String getLockState() {
        return this.lockState;
    }
<p>
The lock state for the retention rule.
</p>
<ul>
<li>
<p>
<code>locked</code> - The retention rule is locked and can't be modified or deleted.
</p>
</li>
<li>
<p>
<code>pending_unlock</code> - The retention rule has been unlocked but it is still within the unlock delay
period. The retention rule can be modified or deleted only after the unlock delay period has expired.
</p>
</li>
<li>
<p>
<code>unlocked</code> - The retention rule is unlocked and it can be modified or deleted by any user with the
required permissions.
</p>
</li>
<li>
<p>
<code>null</code> - The retention rule has never been locked. Once a retention rule has been locked, it can
transition between the <code>locked</code> and <code>unlocked</code> states only; it can never transition back to
<code>null</code>.
</p>
</li>
</ul>

@return The lock state for the retention rule.</p>
        <ul>
        <li>
        <p>
        <code>locked</code> - The retention rule is locked and can't be modified or deleted.
        </p>
        </li>
        <li>
        <p>
        <code>pending_unlock</code> - The retention rule has been unlocked but it is still within the unlock
        delay period. The retention rule can be modified or deleted only after the unlock delay period has
        expired.
        </p>
        </li>
        <li>
        <p>
        <code>unlocked</code> - The retention rule is unlocked and it can be modified or deleted by any user with
        the required permissions.
        </p>
        </li>
        <li>
        <p>
        <code>null</code> - The retention rule has never been locked. Once a retention rule has been locked, it
        can transition between the <code>locked</code> and <code>unlocked</code> states only; it can never
        transition back to <code>null</code>.
        </p>
        </li>
@see LockState
aws-java-sdk-recyclebin/src/main/java/com/amazonaws/services/recyclebin/model/RuleSummary.java