export declare const getEmptyResults: () => {
    ['codekit']: null;
    ['imagemin']: null;
    ['image_optim']: null;
    ['imagealpha-and-imageoptim']: null;
    ['imageoptim']: null;
    ['jpegmini-and-imageoptim']: null;
    ['kraken']: null;
    ['photoshop']: null;
    ['smushit']: null;
    ['tinypng']: null;
    ['worst']: null;
};
export interface IResult {
    isBestScore: boolean;
    isHighestSaving: boolean;
    isLeastLoss: boolean;
    isLossy: boolean;
    lossPercent: number;
    originalSize: number;
    score: number;
    size: number;
    sizeSaving: number;
    sizeSavingPercent: number;
    ssim: number;
    worstSsimPossible: number;
}
export declare type ToolName = keyof ReturnType<typeof getEmptyResults>;
export interface ISubject {
    imageName: string;
    toolName: ToolName;
}
export interface IImage {
    extension: string;
    name: string;
    results: {
        [toolName in ToolName]: IResult | null;
    };
    type: string;
}
export interface IResultMemo {
    bestScore: number;
    highestSaving: number;
    image: IImage;
    leastLoss: number;
}
export declare const getResults: () => IImage[];