public List<IProcessableOption> getMarkedForProcessing(final String processingKey) {
        List<IProcessableOption> result = this.processingRegistry.get(processingKey);
        if (result == null) {
            return new ArrayList<IProcessableOption>();
        } else {
            return result;
        }
    }
public List < IProcessableOption > getMarkedForProcessing ( final String processingKey ) { List < IProcessableOption > result = this . processingRegistry . get ( processingKey ) ; if ( result == null ) { return new ArrayList < IProcessableOption > ( ) ; } else { return result ; } }
Returns the {@link IProcessableOption}s that were marked by calling
{@link #markForProcessing(IProcessableOption)} with the given key.

@param processingKey the key with which the options in questions were marked.
@return list of marked {@link IProcessableOption}s, or an empty list, if
none were marked