declare function getCookie(name: string): string | null;
declare function setCookie(name: string, value: string, days?: number | null, path?: string): void;
declare function getSystemTheme(): null | string;
declare const stylesRoot: CSSStyleDeclaration;
declare function input_form_control_unline(form: HTMLFormElement): void;
declare type OnOffType = 'on' | 'off'
declare function getScriptFolder(script: HTMLOrSVGScriptElement | null): string;

declare class Snowflakes {
    constructor(options: any);
    stop(): void;
    start(): void;
    destroy(): void;
    container: HTMLElement;
    params: SnowConfig;
}

interface SnowConfig {
    container: HTMLElement; // Default: document.body
    count: number; // Default: 50
    color: string; // Default: "#5ecdef"
    minOpacity: number; // Default: 0.6
    maxOpacity: number; // Default: 1
    minSize: number; // Default: 10
    maxSize: number; // Default: 25
    rotation: boolean; // Default: true
    speed: number; // Default: 1
    stop: boolean; // Default: false
    types: number; // Default: 6
    width?: number; // Default: width of container
    height?: number; // Default: height of container
    wind: boolean; // Default: true
    zIndex: number; // Default: 9999
    autoResize: boolean; // Default: true
    optimize: boolean;
}

interface IsInputFirstOutput {
    input: Node;
    label: Node;
    isFirst: boolean;
}

type Optional<T> = T | null;
type Nullable<T> = T | null | undefined;
type SnowOptions = Partial<SnowConfig>;
type ButtonArray = NodeListOf<HTMLButtonElement>;
type OptionalOnOffType = Optional<OnOffType>;