import { StatePack } from "../history/statePack";
import { List } from "../longan/gs.collections";
import { Command } from "./command";
import { CommandStep } from "./commandStep";
export declare class StepFlow {
    command: Command;
    stepList: List<CommandStep>;
    startStep: CommandStep;
    endStep: CommandStep;
    _currentStep: CommandStep;
    commandText: string;
    stepChanged: List<(stepFlow: StepFlow) => void>;
    constructor(command: Command);
    get currentStep(): CommandStep;
    set currentStep(value: CommandStep);
    start(): CommandStep;
    step(condition: any): CommandStep;
    end(): CommandStep;
    execute(): void;
    processTextInput(text: string): string;
    processButtons(text: string): void;
    next(): StatePack;
    moveToStart(): void;
    moveToEnd(): void;
    moveTo(index: string | number): StatePack;
    set(commandStep: CommandStep): void;
}