/**
 * File-based Skill Loader
 *
 * Resolves and loads skill files from OpenCode and Claude-compatible paths.
 * Implements strict skill ID validation and deterministic search order.
 */
import type { SkillLoadResult } from './types.js';
/**
 * Load a skill from file-based locations.
 *
 * Searches for skill files in the following order:
 * 1. Project OpenCode: `<projectRoot>/.opencode/skills/<skillId>/SKILL.md`
 * 2. Global OpenCode: `~/.config/opencode/skills/<skillId>/SKILL.md`
 * 3. Project Claude-compatible: `<projectRoot>/.claude/skills/<skillId>/SKILL.md`
 * 4. Global Claude-compatible: `~/.claude/skills/<skillId>/SKILL.md`
 *
 * @param skillId - The skill ID to load
 * @param projectRoot - The project root directory
 * @param homeDir - The user's home directory
 * @returns The skill load result
 */
export declare function loadFileSkill(skillId: string, projectRoot: string, homeDir: string): Promise<SkillLoadResult>;