/**
 * Read File Tool - Read contents of a file from the filesystem
 */
import type { Tool } from '../types.js';
/**
 * Input parameters for read_file tool
 */
export interface ReadFileInput {
    /**
     * Path to the file to read
     */
    path: string;
    /**
     * Encoding to use (default: utf-8)
     */
    encoding?: BufferEncoding;
    /**
     * Maximum number of lines to read (default: all)
     */
    maxLines?: number;
    /**
     * Line offset to start reading from (1-indexed, default: 1)
     */
    startLine?: number;
}
/**
 * Read file tool definition
 */
export declare const readFileTool: Tool<ReadFileInput>;
/**
 * Factory function to create a read_file tool with custom options
 */
export declare function createReadFileTool(options?: {
    /**
     * Base directory to resolve relative paths against
     */
    baseDir?: string;
    /**
     * List of allowed file extensions (e.g., ['.ts', '.js', '.json'])
     */
    allowedExtensions?: string[];
    /**
     * Maximum file size to read in bytes (default: 10MB).
     * Files larger than this are rejected entirely.
     */
    maxFileSize?: number;
    /**
     * Maximum content size returned to agent in bytes (default: 100KB).
     * Content larger than this is truncated.
     */
    maxContentSize?: number;
    /**
     * Whether to truncate large content (true) or reject (false).
     * Default: true
     */
    truncateIfLarge?: boolean;
}): Tool<ReadFileInput>;