import { CSSProperties, ReactNode, default as React } from 'react';
import { ReactSlot } from './react.helperTypes';
export declare function $flag(value?: boolean): true | undefined;
export declare function $isChecked(value: any): true | undefined;
/** Returns the image source as-is (Blue Room CDN functionality removed in v0.8.0) */
export declare function transformImageSrc(src?: string): string | undefined;
export type BaseProps = {
    id?: string;
    'z-theme'?: 'dark' | 'light';
    className?: string;
    slot?: string;
    'custom-str'?: string;
    custom?: Record<string, any>;
    style?: CSSProperties;
    'data-zds'?: 'react';
};
export declare function baseProps(name: string, props: BaseProps, extraStyle?: CSSProperties): BaseProps;
type ExtractSubComponents<T> = keyof {
    [K in keyof T]: T[K] extends React.FC ? K : never;
};
export declare function getUniqueSubComponents<T extends React.ForwardRefExoticComponent<any>>(reactElement: T, { children }: {
    children?: ReactSlot;
}): {
    [K in ExtractSubComponents<T>]?: ReactNode;
};
export declare function getSubComponents<T extends React.ForwardRefExoticComponent<any>>(reactElement: T, { children }: {
    children?: ReactSlot;
}): {
    [K in ExtractSubComponents<T>]?: ReactNode[];
};
export declare function filterSubComponents({ children }: {
    children?: ReactSlot;
}, tag: `React${string}`): string | React.JSX.Element | (string | React.JSX.Element)[] | undefined;
export {};