import { IAddress, IAttachment, ICodeableConcept, ICoding, IContactPoint, IElement, IHumanName, IIdentifier, IMeta, IPeriod, IQuantity, IReference } from 'fhirtypes/dist/r4';
import { Extension } from '../../models';
import { IBuildable } from '../base/IBuildable';
import { ElementBuilder } from '../base/ElementBuilder';
import { UnderscoreKeys } from '../base/resource-type-map.interface';
interface TypeMap {
    valueId: string;
    valueAddress: IAddress;
    valueAttachment: IAttachment;
    valueBoolean: boolean;
    valueCanonical: string;
    valueCode: string;
    valueCodeableConcept: ICodeableConcept;
    valueCoding: ICoding;
    valueContactPoint: IContactPoint;
    valueDate: string;
    valueDateTime: string;
    valueDecimal: number;
    valueIdentifier: IIdentifier;
    valueInstant: string;
    valueInteger: number;
    valueMarkdown: string;
    valueString: string;
    valueTime: string;
    valueUnsignedInt: number;
    valueUri: string;
    valueUrl: string;
    valueUuid: string;
    valueOid: string;
    valuePeriod: IPeriod;
    valuePositiveInt: number;
    valueQuantity: IQuantity;
    valueReference: IReference;
    valueMeta: IMeta;
    valueHumanName: IHumanName;
}
type ExtensionValue<T extends keyof TypeMap> = TypeMap[T];
type PrimitiveExtensionFields = keyof Pick<Extension, UnderscoreKeys<Extension>>;
interface IExtensionBuilder extends IBuildable<Extension> {
    setUrl(url: string): this;
    setValue<T extends keyof TypeMap>(type: T, value: ExtensionValue<T>): this;
}
export declare class ExtensionBuilder extends ElementBuilder implements IExtensionBuilder {
    private readonly extension;
    constructor();
    addPrimitiveExtension(param: PrimitiveExtensionFields, extension: IElement): this;
    setUrl(url: string): this;
    build(): Extension;
    setValue<T extends keyof TypeMap>(type: T, value: ExtensionValue<T>): this;
}
export {};