export interface Biomarkers {
    age: number;
    albumin: number;
    creatinine: number;
    glucose: number;
    crp: number;
    lymphocytePercent: number;
    meanCellVolume: number;
    redCellDistWidth: number;
    alkalinePhosphatase: number;
    whiteBloodCellCount: number;
}
export interface PhenoAgeResult {
    phenoAge: number;
    mortalityScore: number;
    ageDifference: number;
    interpretation: string;
    wasClamped?: boolean;
}
/**
 * Calculate PhenoAge (Levine's Phenotypic Age)
 * Based on: Levine et al. (2018) "An epigenetic biomarker of aging for lifespan and healthspan"
 *
 * @param biomarkers - Blood biomarker values
 * @returns PhenoAge calculation results
 */
export declare function calculatePhenoAge(biomarkers: Biomarkers): PhenoAgeResult;
/**
 * Get reference ranges for biomarkers
 */
export declare function getReferenceRanges(): Record<keyof Omit<Biomarkers, 'age'>, {
    min: number;
    max: number;
    optimal: string;
    unit: string;
}>;
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