type NonNullableRecursive<T> = {
    [K in keyof T]-?: T[K] extends Record<string, unknown> ? NonNullable<NonNullableRecursive<T[K]>> : NonNullable<T[K]>;
};
export type LambdaPath<T, TChild> = (x: NonNullable<NonNullableRecursive<T>>) => TChild;
export declare function extractPath(lambda: string): string;
export declare function extractTokens(path: string): string[];
export declare class PathTokensCache {
    private readonly cache;
    getOrAdd<T, TChild>(lambdaPath: LambdaPath<T, TChild>): string[];
    has<T, TChild>(lambdaPath: LambdaPath<T, TChild>): boolean;
    get size(): number;
}
export {};