/** The opt-in CLI keys; an instance (`opencode#2`) is its CLI's. */
export declare const OPT_IN_SEAT_KEYS: readonly string[];
/** The one-line note a launch surface shows beside an opt-in seat. */
export declare const OPT_IN_NOTE = "opt-in: known to stall";
export declare function isOptInSeat(key: unknown): boolean;
/** The DEFAULT launch roster: every seat but the opt-in ones — unless an opt-in seat is the only
 *  one the engine could convene (every other seat signed out, out of quota, not installed): then
 *  the roster is kept as served, so a default launch is never left with no seat at all. */
export declare function defaultLaunchRoster<T extends {
    key?: unknown;
}>(roster: readonly T[]): T[];
/** The roster as `GET /roster` serves it: opt-in seats marked `optIn: true` with their note. */
export declare function markOptIn<T extends {
    key?: unknown;
}>(roster: readonly T[]): Array<T & {
    optIn?: true;
    optInNote?: string;
}>;
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