/**
 * Parsed contents of every `*.env` in the Hasna client config directory, applied
 * in sorted filename order so a later file wins a duplicate key (matching the
 * shell glob the rc files use).
 *
 * Never throws: a missing, unreadable or malformed file yields fewer keys, not
 * a failed run. Set `LOOPS_CLIENT_ENV=0` to disable loading entirely.
 */
export declare function hasnaClientEnv(env?: NodeJS.ProcessEnv): Record<string, string>;
export declare function commonExecutableDirs(env?: NodeJS.ProcessEnv): string[];
export declare function normalizeExecutionPath(env?: NodeJS.ProcessEnv): string;
export declare function executableExists(command: string, env?: NodeJS.ProcessEnv): boolean;
export declare function commandNotFoundMessage(command: string, env?: NodeJS.ProcessEnv): string;