import { type LicenseTier, type IDETarget } from "@enterprise-skills/core";
export declare function requireTier(required: LicenseTier, feature: string): boolean;
export declare function getActiveTier(): LicenseTier;
export interface AdapterGateOutcome {
    /** Adapters to render. Empty only when an explicit single --ide was refused. */
    targets: IDETarget[];
    /** True when an explicitly requested single --ide is not allowed on this tier. */
    refused: boolean;
}
/**
 * Filter requested adapters to those the tier allows, printing an upgrade notice
 * for each denied adapter.
 *
 * Decision (Slice A): an explicitly requested single `--ide` that the tier does
 * not allow is a HARD refusal (no silent substitution) — the caller should abort
 * with a non-zero exit. For `--ide all` / detected sets, denied adapters are
 * filtered out and the gate falls back to `cursor` (allowed in every tier) if
 * nothing remains, so init/onboard still produce a usable result.
 */
export declare function gateAdapters(requested: IDETarget[], tier: LicenseTier, opts: {
    explicitSingle: boolean;
}): AdapterGateOutcome;
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