import type { ParsedObject, Range } from './types';
import { Element } from './Element';
export declare class Period extends Element {
    static readonly ALLOWED_CHILDREN: string[];
    static readonly CHILDRREN_SPEC: Record<string, Range>;
    xlinkHref?: string;
    xlinkActuate?: 'onLoad' | 'onRequest';
    id?: string;
    start?: number;
    duration?: number;
    bitstreamSwitching?: boolean;
    constructor(initialValues?: Partial<Period>, ctx?: ParsedObject);
    formatParams(initialValues?: Partial<ParsedObject>, ctx?: ParsedObject): void;
    verifyAttributes(ctx: ParsedObject): void;
    verifyChildren(ctx: ParsedObject): void;
    get serializedProps(): ParsedObject;
}