/**
 * Custom fetch function type for injecting auth headers, interceptors, etc.
 */
export type FetchFn = typeof globalThis.fetch;
/**
 * A FHIR resource with a guaranteed `id` field.
 */
export type WithId<T> = T & {
    id: string;
};
/**
 * The `resourceType` discriminant of every base FHIR R5 resource.
 */
export type FhirResourceType = fhir5.FhirResource["resourceType"];
/**
 * The resource interface behind a `resourceType` literal —
 * `ResourceOfType<"Patient">` is `fhir5.Patient`.
 */
export type ResourceOfType<K extends FhirResourceType> = Extract<fhir5.FhirResource, {
    resourceType: K;
}>;
/**
 * Narrow a resource to one that actually carries an `id`.
 *
 * `id` is optional in FHIR — contained resources and the entries of a POST
 * transaction bundle have none — so `WithId` only holds once it is checked:
 * `BundleParser.getResourcesByType(bundle, "Patient").filter(hasId)`.
 */
export declare function hasId<T extends {
    id?: string;
}>(resource: T | null | undefined): resource is WithId<T>;
/**
 * FHIR search parameters — values are serialized to query string.
 */
export type SearchParams = Record<string, boolean | number | string | string[] | undefined>;
/**
 * FHIR Bundle structure.
 */
export interface Bundle<T = fhir5.Resource> {
    resourceType: "Bundle";
    type: "collection" | "searchset" | "transaction-response" | "transaction" | "batch" | "batch-response" | "document" | "message" | "history";
    total?: number;
    link?: {
        relation: string;
        url: string;
    }[];
    entry?: {
        resource?: T;
        fullUrl?: string;
        search?: {
            mode?: string;
            score?: number;
        };
        request?: {
            method: 'GET' | 'HEAD' | 'POST' | 'PUT' | 'DELETE' | 'PATCH';
            url: string;
        };
        response?: {
            status: string;
        };
    }[];
}
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