import { NsContent } from '../_services/widget-content.model';
export declare namespace NsContentConstants {
    const EMBEDDABLE_CONTENT_TYPES: Set<NsContent.EMimeTypes>;
    const ALLOW_MAIL_ME: Set<string>;
    const VALID_PRACTICE_RESOURCES: Set<string>;
    const VALID_ASSESSMENT_RESOURCES: Set<string>;
}
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