/**
 * Built-in tool definitions for the AgentCortex.
 *
 * These replace the Claude Agent SDK's native tool set (Read, Edit, Bash, Glob, Grep, Write).
 * All tool outputs are truncated to prevent context poisoning.
 *
 * Design principles:
 *  - Each tool is a thin, typed wrapper around Node.js built-ins.
 *  - No external dependencies beyond zod and Node stdlib.
 *  - Output truncation is applied uniformly: head + tail of output.
 */
import type { LoopGuard } from '../core/loop-guard.js';
/**
 * Truncate a potentially huge string to a safe context size.
 * Returns head + "[N chars truncated]" + tail, preserving error lines.
 */
export declare function truncateToolOutput(raw: string, maxChars?: number): string;
/**
 * Build the standard set of built-in tools for an agent run.
 * Pass the current LoopGuard so bash calls are circuit-broken when looping.
 */
export declare function buildBuiltInTools(opts: {
    workspaceDir: string;
    agentId: string;
    loopGuard: LoopGuard;
    abortSignal?: AbortSignal;
}): {
    readonly read_file: import("./local-tool.js").LocalToolDefinition;
    readonly write_file: import("./local-tool.js").LocalToolDefinition;
    readonly edit_file: import("./local-tool.js").LocalToolDefinition;
    readonly list_directory: import("./local-tool.js").LocalToolDefinition;
    readonly glob: import("./local-tool.js").LocalToolDefinition;
    readonly grep: import("./local-tool.js").LocalToolDefinition;
    readonly bash: import("./local-tool.js").LocalToolDefinition;
};
export type BuiltInTools = ReturnType<typeof buildBuiltInTools>;
//# sourceMappingURL=built-ins.d.ts.map