/**
 * Low-level simctl invocation. Centralises the argv-form exec so the host shell
 * (/bin/sh) is never spawned — see SECURITY notes on each helper.
 *
 * No `IosClient` state is involved here; behaviour is parameterised entirely by
 * arguments. Retry / WDA loops live in client.ts and call into these as leaves.
 */
export declare const SIMCTL_EXEC_TIMEOUT_MS = 15000;
/**
 * SECURITY: routes through execFileSync — no /bin/sh -c. Shell metacharacters
 * in `args` are passed as literal argv slots (CWE-78 mitigation, issue #40).
 */
export declare function execSimctl(args: string[]): string;
/**
 * Variant that suppresses stderr (replaces shell `2>/dev/null`).
 * Same security guarantee as execSimctl.
 */
export declare function execSimctlQuiet(args: string[]): string;
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