/**
 * Shared path helpers for hook CLI commands.
 *
 * Project root = nearest ancestor containing crewx.yaml.
 * Claude settings path = <projectRoot>/.claude/settings.json
 * Codex hooks path     = <projectRoot>/.codex/hooks.json
 */
export type HookProvider = 'claude' | 'codex';
export type HookProviderFilter = HookProvider | 'all';
export declare function parseProviderArg(args: string[]): HookProviderFilter;
export declare function providersFromFilter(filter: HookProviderFilter): HookProvider[];
export declare function findProjectRoot(cwd: string): string | null;
export declare function getClaudeSettingsPath(projectRoot: string): string;
export declare function getCodexHooksPath(projectRoot: string): string;
export declare function getProviderSettingsPath(projectRoot: string, provider: HookProvider): string;
export declare function readSettings(settingsPath: string): Record<string, unknown>;
export declare function ensureClaudeSettings(projectRoot: string): string;
export declare function ensureCodexHooks(projectRoot: string): string;
export declare function ensureProviderSettings(projectRoot: string, provider: HookProvider): string;