import { type AssetReference, type ResourceLocator } from "@skenora/contracts";
import { EventHub } from "@skenora/events";
import type { ResolvedResource, ResourceAcquireOptions, ResourceDescriptor, ResourceEventMap, ResourcePolicy, ResourcePreflightResult, ResourceProvider, ResourceResolver, ResourceScope, ResourceScopeOptions, ResourceSearchPage, ResourceSearchQuery } from "./types.js";
export interface ResourceManagerOptions {
    providers?: readonly ResourceProvider[];
    policy?: ResourcePolicy;
    events?: EventHub<ResourceEventMap>;
}
interface RetainedResource {
    readonly pending: Promise<ResolvedResource>;
    release(): void;
}
export declare class ResourceManager implements ResourceResolver {
    #private;
    readonly events: EventHub<ResourceEventMap>;
    constructor(options?: ResourceManagerOptions);
    get providerTypes(): readonly string[];
    register(provider: ResourceProvider): () => void;
    createScope(options?: ResourceScopeOptions): ResourceScope;
    search(query?: ResourceSearchQuery): Promise<ResourceSearchPage>;
    describe(locator: ResourceLocator): Promise<ResourceDescriptor>;
    preflight(assets: readonly Readonly<AssetReference>[]): Promise<ResourcePreflightResult>;
    dispose(): void;
    retainAsset(asset: Readonly<AssetReference>, options: ResourceAcquireOptions): RetainedResource;
    retainLocator(locator: ResourceLocator, options: ResourceAcquireOptions): RetainedResource;
    resolveRelative(base: Readonly<ResolvedResource>, relativeUri: string): ResourceLocator;
}
export {};
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