import { Element, IQuantity, PrimitiveCode, PrimitiveDecimal, PrimitiveString, PrimitiveUri, QuantityComparator } from "../internal";
export declare class Quantity extends Element {
    static readonly baseType: string;
    static readonly namespace: string;
    static readonly typeName: string;
    static readonly primaryCodePath: string | null;
    value?: PrimitiveDecimal;
    comparator?: QuantityComparator;
    unit?: PrimitiveString;
    system?: PrimitiveUri;
    code?: PrimitiveCode;
    get primaryCode(): PrimitiveCode | undefined;
    set primaryCode(primaryCode: PrimitiveCode | undefined);
    static parse(json: IQuantity, providedInstance?: Quantity): Quantity;
    static isQuantity(input?: unknown): input is Quantity;
    toJSON(): IQuantity;
    clone(): Quantity;
    getTypeName(): string;
}
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