/** Parse a duration string (`500ms`, `30s`, `5m`, `1h`, `2d`, `1w`, or a
 *  leading-minus disable value like `-1s`) to milliseconds. A bare unitless
 *  number throws: the CLI requires an explicit unit so a value's meaning is
 *  never guessed. The computed milliseconds must be finite — an absurdly
 *  long digit string would otherwise overflow to Infinity, stringify into
 *  the env, and silently install no guard (fail-open on a cost-control
 *  feature). */
export declare function parseDurationMs(s: string): number;
/** Resolve --max-cost / --max-time flag strings into the env-var string
 *  values the child reads. Cost stays as dollars; time becomes milliseconds.
 *  Negative/zero pass through — the runtime install applies the disable rule
 *  (cost < 0 disables; time <= 0 disables). */
export declare function resolveBudget(opts: {
    maxCost?: string;
    maxTime?: string;
}): {
    maxCost?: string;
    maxTime?: string;
};