import { ExecutionError } from './base';
import { Step } from '../types';
import { StepType } from '../step-executors/types';
/**
 * TimeoutError thrown when a step or expression exceeds its configured timeout.
 * Extends ExecutionError with additional context about the timeout.
 */
export declare class TimeoutError extends ExecutionError {
    /**
     * The step that timed out
     */
    readonly step?: Step;
    /**
     * The type of step that timed out
     */
    readonly stepType?: StepType;
    /**
     * The configured timeout value in milliseconds
     */
    readonly timeout: number;
    /**
     * The actual execution time before timeout in milliseconds
     */
    readonly executionTime: number;
    /**
     * Whether the timeout occurred in an expression evaluation
     */
    readonly isExpressionTimeout: boolean;
    /**
     * Creates a new TimeoutError
     *
     * @param message - Error message
     * @param timeout - The configured timeout value in milliseconds
     * @param executionTime - The execution time before timeout in milliseconds
     * @param step - The step that timed out (if applicable)
     * @param stepType - The type of step that timed out (if applicable)
     * @param isExpressionTimeout - Whether the timeout occurred in an expression evaluation
     * @param cause - The cause of the error (if applicable)
     */
    constructor(message: string, timeout: number, executionTime: number, step?: Step, stepType?: StepType, isExpressionTimeout?: boolean, cause?: Error);
    /**
     * Factory method to create a TimeoutError for a step execution
     *
     * @param step - The step that timed out
     * @param stepType - The type of step that timed out
     * @param timeout - The configured timeout value in milliseconds
     * @param executionTime - The execution time before timeout in milliseconds
     * @returns A new TimeoutError
     */
    static forStep(step: Step, stepType: StepType, timeout: number, executionTime: number): TimeoutError;
    /**
     * Factory method to create a TimeoutError for an expression evaluation
     *
     * @param expression - The expression that timed out
     * @param timeout - The configured timeout value in milliseconds
     * @param executionTime - The execution time before timeout in milliseconds
     * @param step - The step context (if applicable)
     * @param stepType - The type of step that timed out (if applicable)
     * @returns A new TimeoutError
     */
    static forExpression(expression: string, timeout: number, executionTime: number, step?: Step, stepType?: StepType): TimeoutError;
    toString(options?: {
        includeStack?: boolean;
    }): string;
}