public ListGuardrailsRequest withGuardrailIdentifier(String guardrailIdentifier) {
        setGuardrailIdentifier(guardrailIdentifier);
        return this;
    }
<p>
The unique identifier of the guardrail. This can be an ID or the ARN.
</p>

@param guardrailIdentifier
       The unique identifier of the guardrail. This can be an ID or the ARN.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-bedrock/src/main/java/com/amazonaws/services/bedrock/model/ListGuardrailsRequest.java