public java.util.List<String> getCacheKeyParameters() {
        return cacheKeyParameters;
    }
<p>
A list of request parameters whose values API Gateway caches. To be valid values for
<code>cacheKeyParameters</code>, these parameters must also be specified for Method
<code>requestParameters</code>.
</p>

@return A list of request parameters whose values API Gateway caches. To be valid values for
        <code>cacheKeyParameters</code>, these parameters must also be specified for Method
        <code>requestParameters</code>.
aws-java-sdk-api-gateway/src/main/java/com/amazonaws/services/apigateway/model/PutIntegrationRequest.java