/**
 * Tool call parsing from LLM responses.
 *
 * Handles OpenAI function-calling format, Anthropic tool_use format,
 * and legacy text-based tool call formats.
 */
import { ToolCall } from './tools';
/**
 * Normalize tool name to lowercase with underscores.
 *
 * MCP tools (`<server>__<tool>`) are returned untouched. Their names are the
 * server's, not ours: `brave-search__brave_web_search` or
 * `context7__resolve-library-id` must reach the registry exactly as advertised,
 * or the server lookup and the server's own tool lookup both miss. No built-in
 * tool name contains `__`, so the check cannot catch one of ours.
 */
export declare function normalizeToolName(name: string): string;
/**
 * Extract parameters from truncated/partial JSON for tool calls.
 * Fallback when JSON.parse fails due to API truncation.
 */
declare function extractPartialToolParams(toolName: string, rawArgs: string): Record<string, unknown> | null;
export declare function parseOpenAIToolCalls(toolCalls: unknown[]): ToolCall[];
export declare function parseAnthropicToolCalls(content: unknown[]): ToolCall[];
declare function tryExtractParams(str: string): Record<string, unknown> | null;
declare function tryParseToolCall(str: string): ToolCall | null;
/**
 * Parse tool calls from LLM response text.
 * Supports: <tool_call>, <toolcall>, ```tool blocks, inline JSON.
 */
export declare function parseToolCalls(response: string): ToolCall[];
export declare const _extractPartialToolParamsForTest: typeof extractPartialToolParams;
export declare const _tryExtractParamsForTest: typeof tryExtractParams;
export declare const _tryParseToolCallForTest: typeof tryParseToolCall;
export {};