src/core/factory/factoryLevels.js

export const CONTROLS = 'controls';
export const WIDGETS = 'widgets';
export const REGIONS = 'regions';
export const LAYOUTS = 'layouts';
export const HEADERS = 'headers';
export const CELLS = 'cells';
export const FIELDSETS = 'fieldsets';
export const FIELDS = 'fields';
export const SNIPPETS = 'snippets';
export const ACTIONS = 'actions';