import type { LLMMessage } from '../llm/llm-provider.js';
import type { ToolSideEffectClass } from './tool-types.js';
export declare function isToolAssumedMutating(_toolName: string, sideEffectClass?: ToolSideEffectClass): boolean;
export declare function stableSerializeToolInput(input: Record<string, unknown>): string;
export declare function toolInputsReplayEqual(a: Record<string, unknown>, b: Record<string, unknown>): boolean;
export declare function findReplayableToolResultContent(messages: LLMMessage[], toolName: string, input: Record<string, unknown>, lookback?: number, sideEffectClass?: ToolSideEffectClass): string | null;
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