import { Environment, ValueType } from './types';
declare function crossProduct<T>(arrays: T[][]): T[][];
declare function crossProduct<T1, T2>(arrays: [T1[], T2[]]): [T1, T2][];
declare const mergeEnvironments: (...environments: Environment[]) => Environment | null;
declare class NameSuggester {
    private usedNames;
    constructor();
    suggestName(preferredName: string): string;
}
declare const simpleToStableJSON: (o: ValueType) => string;
export { crossProduct, mergeEnvironments, NameSuggester, simpleToStableJSON };