core/src/main/java/org/trimou/engine/config/ConfigurationProperties.java
static String buildPropertyKey(String propertyName, String[] prefixParts) {
        return buildPropertyKey(propertyName, Strings.UNDERSCORE, prefixParts);
    }
static String buildPropertyKey(String propertyName, String[] prefixParts) {
        return buildPropertyKey(propertyName, Strings.UNDERSCORE, prefixParts);
    }
Build the property key for the given name and prefix parts. The name is
converted to CamelCase (underscore is used as a delimiter):

<pre>
MY_PROPERTY_NAME
</pre>

becomes

<pre>
myPropertyName
</pre>

@param propertyName
@param prefixParts
@return the key