public CreateAuthorizerRequest withIdentityValidationExpression(String identityValidationExpression) {
        setIdentityValidationExpression(identityValidationExpression);
        return this;
    }
<p>
This parameter is not used.
</p>

@param identityValidationExpression
       This parameter is not used.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-apigatewayv2/src/main/java/com/amazonaws/services/apigatewayv2/model/CreateAuthorizerRequest.java