public RemoveLayerVersionPermissionRequest withRevisionId(String revisionId) {
        setRevisionId(revisionId);
        return this;
    }
<p>
Only update the policy if the revision ID matches the ID specified. Use this option to avoid modifying a policy
that has changed since you last read it.
</p>

@param revisionId
       Only update the policy if the revision ID matches the ID specified. Use this option to avoid modifying a
       policy that has changed since you last read it.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/RemoveLayerVersionPermissionRequest.java