import type { AgentType } from "../domain/runner.js";
export interface MaxStepsMonitorOptions {
    agentType: AgentType;
    runnerId: string;
    maxSteps: number;
}
export interface MaxStepsState {
    observedSteps: number;
    maxSteps: number;
    runnerId: string;
    agentType: AgentType;
}
export declare class MaxStepsExceededError extends Error {
    readonly observedSteps: number;
    readonly maxSteps: number;
    readonly runnerId: string;
    readonly agentType: AgentType;
    constructor(state: MaxStepsState);
}
export declare function isMaxStepsExceededError(error: unknown): error is MaxStepsExceededError;
export declare function createMaxStepsMonitor(options: MaxStepsMonitorOptions): {
    observeLine(line: string): MaxStepsState | undefined;
};