if (mappingItemList == null) {
            reload(null);
        }

        for (final CharMappingItem mappingItem : mappingItemList) {
            if (id == mappingItem.getId()) {
                return OptionalEntity.of(mappingItem);
            }
        }
        return OptionalEntity.empty();
    }

    @Override

            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "MappingItem [id=" + id + ", inputs=" + Arrays.toString(inputs) + ", output=" + output + ", newInputs="
                + Arrays.toString(newInputs) + ", newOutput=" + newOutput + "]";
    }

    public String toLineString() {