import { z } from 'zod';
import type { LlmTool, ParsedToolCall } from './types/tool.js';
export declare class ToolCallValidationError extends Error {
    readonly toolName: string;
    readonly details?: unknown | undefined;
    constructor(message: string, toolName: string, details?: unknown | undefined);
}
export declare function validateToolCall(tools: LlmTool[], toolCall: ParsedToolCall): ParsedToolCall;
export declare function toolCallFromContentBlock(id: string, name: string, args: Record<string, unknown>): ParsedToolCall;
export declare function stringParamTool(name: string, description: string, required?: string[]): LlmTool;
export { z };
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