import StateControllerI from '@sociably/core/base/StateController';
import type { SociablyThread, SociablyNode } from '@sociably/core';
import { ServiceScope } from '@sociably/core/service';
import type { AnyScriptLibrary, CallStatus, InputOfScript, ReturnOfScript, YieldOfScript } from './types.js';
type RuntimeResult<Return, Yield> = {
    finished: boolean;
    returnValue: undefined | Return;
    yieldValue: undefined | Yield;
    contents: SociablyNode;
};
export declare class ScriptRuntime<Script extends AnyScriptLibrary> {
    thread: SociablyThread;
    callStack: null | CallStatus<unknown>[];
    saveTimestamp: undefined | number;
    rootScript: Script;
    private _stateContoller;
    private _serviceScope;
    private _requireSaving;
    private _isPrompting;
    private _queuedMessages;
    private _returnValue;
    private _yieldValue;
    constructor(stateContoller: StateControllerI, scope: ServiceScope, thread: SociablyThread, stack: CallStatus<unknown>[], promptTimestamp: undefined | number, isPrompting: boolean);
    get isFinished(): boolean;
    get returnValue(): undefined | ReturnOfScript<Script>;
    get yieldValue(): undefined | YieldOfScript<Script>;
    get isBeginning(): boolean;
    get requireSaving(): boolean;
    run(input?: InputOfScript<Script>): Promise<RuntimeResult<ReturnOfScript<Script>, YieldOfScript<Script>>>;
    resetCallStack(callStack: CallStatus<unknown>[], { isPrompting }?: {
        isPrompting?: boolean;
    }): void;
    output(): SociablyNode;
    save(): Promise<boolean>;
    _save(callStack: null | CallStatus<unknown>[], saveTimestamp: undefined | number): Promise<boolean>;
    exit(): Promise<boolean>;
}
export default ScriptRuntime;