import { Environment } from './environment';
import { Reka } from './reka';
import { Resolver } from './resolver';
/**
 * Responsible for initialising the root Resolver and Environment
 * and keeping them in sync with the AST
 */
export declare class Head {
    private readonly reka;
    resolver: Resolver;
    env: Environment;
    private rootHeadComputation;
    private globalsEnvComputation;
    private componentsEnvComputation;
    private cleanupEnvComputation;
    constructor(reka: Reka);
    sync(): void;
    dispose(): void;
}