import type { AssetAdapter, AssetAdapterCapabilities, AssetDefinition, StandardAssetAdapters, StandardAssetResultMap } from './types.cjs';
type AdapterConstraint<TAdapters extends object> = {
    [TKey in keyof TAdapters]: TAdapters[TKey] extends AssetAdapter<infer TDefinition, infer TResult> ? TDefinition extends AssetDefinition ? Extract<TKey, string> extends TDefinition['type'] ? TDefinition['type'] extends Extract<TKey, string> ? AssetAdapter<TDefinition, TResult> : never : never : never : never;
};
type UntypedAdapter = AssetAdapter<AssetDefinition, unknown>;
export declare function defineAssetAdapter<TDefinition extends AssetDefinition, TResult>(adapter: AssetAdapter<TDefinition, TResult>): AssetAdapter<TDefinition, TResult>;
export declare class AssetLoaderRegistry<TAdapters extends object> {
    #private;
    readonly adapters: TAdapters;
    constructor(adapters: TAdapters & AdapterConstraint<TAdapters>);
    get<TKey extends Extract<keyof TAdapters, string>>(type: TKey): TAdapters[TKey] | undefined;
    get(type: string): UntypedAdapter | undefined;
    has(type: string): boolean;
    describe(): Readonly<Record<string, AssetAdapterCapabilities | undefined>>;
}
export declare function createAssetLoaderRegistry<TAdapters extends object>(adapters: TAdapters & AdapterConstraint<TAdapters>): AssetLoaderRegistry<TAdapters>;
/** Require an explicit implementation for every standard asset type without importing DOM APIs. */
export declare function createStandardAssetLoaderRegistry<const TResultMap extends StandardAssetResultMap>(adapters: StandardAssetAdapters<TResultMap>): AssetLoaderRegistry<StandardAssetAdapters<TResultMap>>;
export {};