import { ReactNode } from 'preact/compat';

interface BarsContextProps {
    children: ReactNode;
}
export declare function BarsContextProvider({ children }: BarsContextProps): import("preact").JSX.Element;
export declare const useSetBars: () => (param: number[]) => void;
export declare const useBars: () => number[];
export declare const calculateBars: (dataArray: Uint8Array, bufferLength: number) => number[];
export {};