import { BiImageData } from "./mono-image-data.js";
export declare class ImageHash {
    readonly mono: BiImageData;
    private constructor();
    static fromMono(mono: BiImageData): ImageHash;
    getMono(copy?: boolean): BiImageData;
    static fromHex(hexLine: string, width?: number, height?: number): ImageHash;
    static fromBin(binLine: string, width?: number, height?: number): ImageHash;
    private static from;
    /** Bits size */
    get size(): number;
    get hex(): string;
    get bin(): string;
    diff(hash: ImageHash): number;
    diffHex(hex: string): number;
    diffBin(bin: string): number;
    static diffHex(hex1: string, hex2: string): number;
    static diffBin(bin1: string, bin2: string): number;
}
export declare function calculateSquareSize(pixelCount: number): {
    width: number;
    height: number;
};
export declare function hexToBiUi8a(hex: string): Uint8Array;
export declare function binToBiUi8a(bin: string): Uint8Array;
export declare function biUi8aToHex(biUi8a: Uint8Array): string;
export declare function biUi8aToBin(biUi8a: Uint8Array): string;
export declare function hammingDistanceBiUi8a(arr1: Uint8Array, arr2: Uint8Array): number;