/** * Merges the given configuration and requirements with the current metadata, without overwriting existing entries. * * @param extraConfiguration The extra configuration * @param extraRequirements The extra requirements */ void merge( final Map<String, Configuration> extraConfiguration, final Map<String, Requirement> extraRequirements ) { configurationMap = addIfMissing( configurationMap, extraConfiguration ); requirementMap = addIfMissing( requirementMap, extraRequirements ); }