/**
 * Find and read CLAUDE.md guidelines.
 * Follows Claude Code's discovery logic:
 * 1. CLAUDE.md in current directory or parents
 * 2. .github/instructions/ *.md (checking main ones)
 * 3. .cursor/rules/ *.md
 * 4. .claude/rules/ *.md
 */
export declare function findClaudeRules(startDir?: string): string | null;
