import type { _NSString } from "../Foundation/NSString.js";
export interface _PHProjectTypeDescriptionInvalidator {
    /**
     * Invalidate the properties of the PHProjectTypeDescription with projectType. If you call this method for other project types than PHProjectTypeUndefined you have to implement -[PHProjectTypeDescriptionDataSource typeDescriptionForProjectType:] accordingly. The project type to invalidate. Use PHProjectTypeUndefined to invalidate the root level.
     */
    invalidateTypeDescriptionForProjectType$?(projectType: _NSString): void;
    /**
     * Invalidate the footer text for the subtypes of the given projectType. The project type of the level to invalidate. Use PHProjectTypeUndefined to invalidate the root level footer text.
     */
    invalidateFooterTextForSubtypesOfProjectType$?(projectType: _NSString): void;
}
