export interface SubscriptionCapabilities {
  maxContextWindow: number;
  supportsPromptCaching: boolean;
  supportsBatching: boolean;
}

export interface SubscriptionProviderConfig {
  supportsSubscription: true;
  subscriptionLabel: string;
  subscriptionKeyPlaceholder?: string;
  subscriptionCommand?: string;
  subscriptionTokenPrefix?: string;
  subscriptionOAuth?: boolean;
  knownModels?: readonly string[];
  subscriptionCapabilities?: Readonly<SubscriptionCapabilities>;
}

export declare const SUBSCRIPTION_PROVIDER_CONFIGS: Readonly<
  Record<string, Readonly<SubscriptionProviderConfig>>
>;

export declare const SUPPORTED_SUBSCRIPTION_PROVIDER_IDS: readonly string[];

export declare function getSubscriptionProviderConfig(
  providerId: string,
): Readonly<SubscriptionProviderConfig> | null;

export declare function supportsSubscriptionProvider(providerId: string): boolean;

export declare function getSubscriptionKnownModels(
  providerId: string,
): readonly string[] | null;

export declare function getSubscriptionCapabilities(
  providerId: string,
): Readonly<SubscriptionCapabilities> | null;