import type { AuthTokens, Biomarker, BiologicalAge, BMI, Category, ExportData, HealthResult, Note, Recommendation, Requisition, Schedule, UserProfile } from "./types.js";
export declare class FunctionHealthClient {
    private tokens;
    private refreshPromise;
    private requestQueue;
    constructor(tokens: AuthTokens);
    static create(): Promise<FunctionHealthClient>;
    /** Refresh tokens with deduplication — concurrent callers share the same refresh */
    private doRefresh;
    private ensureFreshToken;
    /** Serialize requests through a queue to enforce rate limiting */
    private request;
    /** Request that returns null on 404 (resource legitimately missing) but throws on other errors */
    private requestNullable;
    private doRequest;
    private requestArray;
    getProfile(): Promise<UserProfile | null>;
    getResults(): Promise<HealthResult[]>;
    getBiomarkers(): Promise<Biomarker[]>;
    getCategories(): Promise<Category[]>;
    getRecommendations(): Promise<Recommendation[]>;
    getResultsReport(): Promise<Record<string, unknown> | null>;
    getBiologicalAge(): Promise<BiologicalAge | null>;
    getBMI(): Promise<BMI | null>;
    getNotes(): Promise<Note[]>;
    getPendingRequisitions(): Promise<Requisition[]>;
    getCompletedRequisitions(): Promise<Requisition[]>;
    getPendingSchedules(): Promise<Schedule[]>;
    /** Full data export — fetches all data in parallel, extracts results from report */
    exportAll(): Promise<ExportData>;
}