import type { SignalContext } from './context.js';
import type { GameMatch } from './types.js';
/**
 * Detects game projects by engine signature (per spec Section 5.9):
 *   Unity    → Assets/ directory containing any *.meta file
 *   Unreal   → *.uproject at root
 *   Godot    → project.godot at root
 *   Bevy     → Cargo.toml with bevy dep → engine: 'custom'
 *   Love2D   → conf.lua + main.lua at root → engine: 'custom'
 *   JS games → phaser, babylonjs, or (three + index.html) → engine: 'custom'
 *
 * Precedence: Unity > Unreal > Godot > Bevy > Love2D > JS (locked by regression test
 * in src/project/adopt.test.ts — "Unity wins precedence when multi-engine signatures coexist").
 *
 * IMPORTANT: this detector ONLY uses the SignalContext API — no direct fs/path imports.
 */
export declare function detectGame(ctx: SignalContext): GameMatch | null;
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