public void setGrantToken(String grantToken) {
        this.grantToken = grantToken;
    }
<p>
Identifies the grant to be retired. You can use a grant token to identify a new grant even before it has achieved
eventual consistency.
</p>
<p>
Only the <a>CreateGrant</a> operation returns a grant token. For details, see <a
href="https://docs.aws.amazon.com/kms/latest/developerguide/grants.html#grant_token">Grant token</a> and <a
href="https://docs.aws.amazon.com/kms/latest/developerguide/grants.html#terms-eventual-consistency">Eventual
consistency</a> in the <i>Key Management Service Developer Guide</i>.
</p>

@param grantToken
       Identifies the grant to be retired. You can use a grant token to identify a new grant even before it has
       achieved eventual consistency.</p>
       <p>
       Only the <a>CreateGrant</a> operation returns a grant token. For details, see <a
       href="https://docs.aws.amazon.com/kms/latest/developerguide/grants.html#grant_token">Grant token</a> and
       <a href="https://docs.aws.amazon.com/kms/latest/developerguide/grants.html#terms-eventual-consistency">
       Eventual consistency</a> in the <i>Key Management Service Developer Guide</i>.
aws-java-sdk-kms/src/main/java/com/amazonaws/services/kms/model/RetireGrantRequest.java