import * as React from 'react';
export declare const ID_PROP = "_id";
export declare const getStaticDeclarationId: <C extends React.FC<any>>(component: C & {
    [ID_PROP]?: string;
}) => string | undefined;
export declare const NS_SKETCH = "89e1b7f1-2a3f-4e6d-8f2d-5a3f0c1f1a77";
type SketchStats = {
    total: number;
    host: number;
    declComposite: number;
    anonComposite: number;
    portals: number;
    textish: number;
    keyed: number;
};
export type SketchQuality = 'weak' | 'ok' | 'strong';
export type ChildrenSketch = {
    id: string;
    quality: SketchQuality;
    stats: SketchStats;
};
export declare function createChildrenSketch(children: React.ReactNode, maxDepth?: number, ns?: string): ChildrenSketch;
export {};