export declare const builtins: () => {
    'Array.prototype.flat': boolean;
    'Array.prototype.flatMap': boolean;
    'Object.fromEntries': boolean;
    'String.prototype.trimEnd': boolean;
    'String.prototype.trimStart': boolean;
    'Symbol.prototype.description': boolean;
};
export declare const syntax: () => {
    JSONSuperset: boolean;
    optionalCatchBinding: boolean;
    WellFormedJsonStringify: boolean;
};
declare const _default: () => {
    JSONSuperset: boolean;
    optionalCatchBinding: boolean;
    WellFormedJsonStringify: boolean;
    'Array.prototype.flat': boolean;
    'Array.prototype.flatMap': boolean;
    'Object.fromEntries': boolean;
    'String.prototype.trimEnd': boolean;
    'String.prototype.trimStart': boolean;
    'Symbol.prototype.description': boolean;
};
export default _default;