import * as Tiny from '../../index';
export declare const NULL: Tiny.LangObject;
export declare const UNDEFINED: Tiny.LangObject;
export interface EvaluatorOptions extends Tiny.Options {
    stdio: Record<'stdin' | 'stdout' | 'stderr', Tiny.Stdio>;
    filename: string;
    root: string;
}
export default class Evaluator {
    program: Tiny.Program;
    enviroment: Tiny.Enviroment;
    option: EvaluatorOptions;
    messages: Tiny.Errors;
    constructor(program: Tiny.Program, enviroment: Tiny.Enviroment, option: EvaluatorOptions);
    eval(): Tiny.LangObject;
    private evalStatements;
    private evalBlockStatements;
    private evalStatement;
    private evalExpression;
    importEnv(path: string, enviroment: Tiny.Enviroment, evaluator: Evaluator, position: Tiny.Position): Tiny.LangObject;
    private evalFunction;
    private evalCallExpression;
    private evalObjectParameters;
    private evalExpressions;
    private getDecorator;
    applyFunction(functionObject: Tiny.FunctionObject, name: string, parameters: Array<Tiny.LangObject>, enviroment: Tiny.Enviroment, position: Tiny.Position, thisObject: Tiny.LangObject): Tiny.LangObject;
    private extendFunctionEnv;
    private evalIdent;
    private evalLiteral;
    private evalPrefix;
    private evalInfix;
    private typeMissmatch;
    private evalNumberInfix;
    private evalBooleanInfix;
    private evalStringInfix;
    private evalObjectInfix;
    private evalArrayInfix;
    private evalIdentInfix;
    private evalElementInfix;
    private evalInOperator;
    private evalIfExpression;
    private evalIndex;
    private evalArrayIndex;
    private isTruthy;
    private evalBang;
    private evalMinus;
}