import type { DoubleArray, DoubleMatrix } from 'cheminfo-types';
export interface NormalizedData {
    x: DoubleArray;
    matrix: DoubleMatrix;
}
export interface AutocorrelationResult {
    x: DoubleArray;
    y: Float64Array;
}
export declare function getAutocorrelation(normalized: NormalizedData, index: number): AutocorrelationResult;
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