/**
 * Interface representing task failure details.
 * This is used for retry handlers to inspect failure information.
 */
export interface TaskFailureDetails {
    /** The type/class name of the error */
    readonly errorType: string;
    /** The error message */
    readonly message: string;
    /** The stack trace, if available */
    readonly stackTrace?: string;
}
export declare class FailureDetails implements TaskFailureDetails {
    private _message;
    private _errorType;
    private _stackTrace;
    constructor(message: string, errorType: string, stackTrace?: string);
    get message(): string;
    get errorType(): string;
    get stackTrace(): string | undefined;
}