@Override
    public Builder toBuilder() {
        Builder builder = builder();
        responseTemplates.forEach(builder::putResponseTemplate);
        responseParameters.forEach(builder::putResponseParameter);
        return builder
                .sourceLocation(sourceLocation)
                .contentHandling(contentHandling)
                .statusCode(statusCode);
    }
Gets a specific response parameter by it's input mapping expression.

@param name Header name to retrieve.
@return Returns the optionally found response parameter.
smithy-aws-apigateway-traits/src/main/java/software/amazon/smithy/aws/apigateway/traits/IntegrationResponse.java