/**
 * Error recovery strategy — pure data describing what to do when a tool
 * call fails. Mirrors `python/src/adk_fluent/_harness/_error_strategy.py`.
 */
export type ErrorAction = "retry" | "skip" | "ask" | "propagate";
export interface ErrorStrategyOptions {
    retry?: Iterable<string>;
    skip?: Iterable<string>;
    ask?: Iterable<string>;
    fallbackMessage?: string;
}
export declare class ErrorStrategy {
    readonly retry: ReadonlySet<string>;
    readonly skip: ReadonlySet<string>;
    readonly ask: ReadonlySet<string>;
    readonly fallbackMessage: string;
    constructor(opts?: ErrorStrategyOptions);
    decide(toolName: string): ErrorAction;
}
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