import { Coding, Element, IElement, IExtension, PrimitiveBase64Binary, PrimitiveBoolean, PrimitiveCanonical, PrimitiveCode, PrimitiveDate, PrimitiveDateTime, PrimitiveDecimal, PrimitiveId, PrimitiveInstant, PrimitiveInteger, PrimitiveMarkdown, PrimitiveOid, PrimitivePositiveInt, PrimitiveString, PrimitiveTime, PrimitiveUnsignedInt, PrimitiveUri, PrimitiveUrl, PrimitiveUuid } from "../internal";
export declare class Extension extends Element {
    static readonly baseType: string;
    static readonly namespace: string;
    static readonly typeName: string;
    static readonly primaryCodePath: string | null;
    url?: PrimitiveUri;
    value?: PrimitiveBase64Binary | PrimitiveBoolean | PrimitiveCanonical | PrimitiveCode | PrimitiveDate | PrimitiveDateTime | PrimitiveDecimal | PrimitiveId | PrimitiveInstant | PrimitiveInteger | PrimitiveMarkdown | PrimitiveOid | PrimitivePositiveInt | PrimitiveString | PrimitiveTime | PrimitiveUnsignedInt | PrimitiveUri | PrimitiveUrl | PrimitiveUuid | Coding;
    static parse(json: IExtension, providedInstance?: Extension): Extension;
    static isExtension(input?: unknown): input is Extension;
    static serializePrimitiveExtension(primitive: Element): IElement | undefined;
    static serializePrimitiveExtensionArray(primitives: Array<Element>): Array<IElement | null> | undefined;
    toJSON(): IExtension;
    clone(): Extension;
    getTypeName(): string;
}
//# sourceMappingURL=Extension.d.ts.map