core/src/main/java/org/sakaiproject/nakamura/lite/content/InternalContent.java
public void reset(Map<String, Object> updatedMap) {
        if (!readOnly) {
            this.content = ImmutableMap.copyOf(updatedMap);
            updatedContent.clear();
            updated = false;
            LOGGER.debug("Reset to {} ", updatedMap);
        }
    }
public void reset(Map<String, Object> updatedMap) {
        if (!readOnly) {
            this.content = ImmutableMap.copyOf(updatedMap);
            updatedContent.clear();
            updated = false;
            LOGGER.debug("Reset to {} ", updatedMap);
        }
    }
Reset the object back to its last saved state.