import * as L from './lang.js';
import { Result } from './result.js';
export declare function evaluateExp(env: L.Env, e: L.Exp): Promise<Result<L.Value>>;
export declare function evaluateStmt(env: L.Env, s: L.Stmt, htmlOutput: boolean): Promise<L.Stmt>;
export declare function evaluateProgram(prog: L.Program, htmlOutput: boolean, initialEnv?: L.Env): Promise<L.SEffect[]>;
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