import * as t from '@rekajs/types';
import { Reka } from './reka';
type EnvironmentValue = string | number | boolean | Record<string, any> | Array<any> | t.Component;
type Binding = {
    value: EnvironmentValue;
    readonly: boolean;
};
type BindingKey = string | Symbol;
export declare class Environment {
    readonly reka: Reka;
    readonly parent?: Environment | undefined;
    id: string;
    bindings: Map<BindingKey, Binding>;
    constructor(reka: Reka, parent?: Environment | undefined);
    reassign(identifier: t.Identifier, value: any): undefined;
    set(name: BindingKey, binding: Binding): void;
    delete(name: BindingKey): void;
    getByName(name: BindingKey, external?: boolean, getInCurrentEnvironmentOnly?: boolean): any;
    getByIdentifier(identifier: t.Identifier): any;
    inherit(): Environment;
    clone(): Environment;
}
export {};