type ProviderCapabilityState = boolean | 'experimental';
type ProviderCapabilities = Readonly<Record<string, ProviderCapabilityState>>;
interface ProviderRegistryEntry {
    readonly capabilities: ProviderCapabilities;
    readonly docker: {
        readonly envPassthrough: readonly string[];
    };
    readonly id: string;
    readonly [key: string]: unknown;
}
declare function normalizeProviderName<T>(name: T): T | string;
declare function normalizeProviderSettings<T>(providerSettings: T): T | Record<string, unknown>;
declare function getProviderMetadata(name: string): ProviderRegistryEntry;
declare function listProviderMetadata(): readonly ProviderRegistryEntry[];
declare function resolveProviderCommand(name: string): {
    readonly args: readonly string[];
    readonly command: string;
};
declare function providerSupportsCapability(name: string, capability: string): boolean;
declare function providerSupportsOutputReformatting(name: string): boolean;
declare function getDefaultProviderId(): string;
declare const _default: {
    KNOWN_PROVIDER_NAMES: string[];
    PROVIDER_ALIASES: Readonly<{
        [x: string]: string;
    }>;
    PROVIDER_CAPABILITIES: Readonly<Record<string, Readonly<Record<string, ProviderCapabilityState>>>>;
    VALID_PROVIDERS: string[];
    getDefaultProviderId: typeof getDefaultProviderId;
    getProviderMetadata: typeof getProviderMetadata;
    listProviderMetadata: typeof listProviderMetadata;
    normalizeProviderName: typeof normalizeProviderName;
    normalizeProviderSettings: typeof normalizeProviderSettings;
    providerSupportsCapability: typeof providerSupportsCapability;
    providerSupportsOutputReformatting: typeof providerSupportsOutputReformatting;
    resolveProviderCommand: typeof resolveProviderCommand;
};
export = _default;