/**
 * Does `variant` perform every operation `seed` performs?
 *
 * Not string equality and not set equality: a wrapper adds a leaf (`sudo` itself),
 * so the test is CONTAINMENT — every dangerous leaf of the seed still appears.
 */
export declare function sameOperation(seed: string, variant: string): boolean;
/**
 * Every shell-equivalent rewrite of `seed` the families can produce.
 *
 * 🔴 A candidate that does NOT satisfy {@link sameOperation} THROWS rather than
 * being dropped. A silent drop would hide a generator bug behind a smaller
 * corpus — the battery would quietly shrink and still look like it ran.
 * A family that does not APPLY (no flag to quote) yields nothing, which is
 * different from producing something wrong.
 */
export declare function equivalentCommands(seed: string): readonly string[];
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