private boolean matchStorageClass(String existing, String modified) {
        if (StringUtils.isBlank(modified)) {
            List<String> defaultStorageClassList = getDefaultStorageClass();
            return (existing != null && defaultStorageClassList != null && defaultStorageClassList.size() == 1)
                    ? existing.equals(defaultStorageClassList.get(0))
                    : false;
        }
        if (StringUtils.isNotBlank(existing) && StringUtils.isNotBlank(modified)) {
            return existing.equals(modified);
        }
        return false;
    }
Validate volume edit is supported,
<p> print warn message for size and storage class changes
Get all pvc for this service and app
Create map of volume name to pvc
For volumes check existing values through pvcs
@param apiClient
@param context
@param volumeList
workflow-controller/controller-service/src/main/java/io/hyscale/controller/validator/impl/VolumeValidator.java