public TestInvokeAuthorizerRequest withTokenSignature(String tokenSignature) {
        setTokenSignature(tokenSignature);
        return this;
    }
<p>
The signature made with the token and your custom authentication service's private key. This value must be
Base-64-encoded.
</p>

@param tokenSignature
       The signature made with the token and your custom authentication service's private key. This value must be
       Base-64-encoded.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/TestInvokeAuthorizerRequest.java