qbit/core/src/main/java/io/advantageous/qbit/boon/service/impl/BoonServiceMethodCallHandler.java
public boolean couldHaveCallback(final String name) {

        final Boolean has = hasHandlerMap.get(name);
        if (has == null) {
            return true;
        }

        return has;
    }
public boolean couldHaveCallback(final String name) {

        final Boolean has = hasHandlerMap.get(name);
        if (has == null) {
            return true;
        }

        return has;
    }
False is unknown, true is no callbacks.

@param name name of method
@return false signifies maybe, true means never.