import type VcfFeature from '../VcfFeature/index.ts';
import type { Feature, LastStopTokenCheck } from '@jbrowse/core/util';
export declare function calculateAlleleCountsFast(feature: VcfFeature): Record<string, number>;
export declare function calculateAlleleCounts(genotypes: Record<string, string>, cacheSplit: Record<string, string[]>): Record<string, number>;
export declare function calculateMinorAlleleFrequency(alleleCounts: Record<string, number>): number;
export declare function getFeaturesThatPassMinorAlleleFrequencyFilter({ features, minorAlleleFrequencyFilter, lengthCutoffFilter, stopTokenCheck, genotypesCache, splitCache, }: {
    features: Iterable<Feature>;
    minorAlleleFrequencyFilter: number;
    lengthCutoffFilter: number;
    stopTokenCheck?: LastStopTokenCheck;
    genotypesCache?: Map<string, Record<string, string>>;
    splitCache?: Record<string, string[]>;
}): {
    feature: Feature;
    mostFrequentAlt: string;
    alleleCounts: Record<string, number>;
}[];