import { IApiPackage } from './api/ApiItem';
import { ApiDefinitionReference } from './ApiDefinitionReference';
import { AstPackage } from './ast/AstPackage';
import { ResolvedApiItem } from './ResolvedApiItem';
import { IReferenceResolver } from './aedoc/ApiDocumentation';
/**
 * A loader for locating the ApiItem associated with a given project and API item, or
 * for locating an AstItem  locally.
 * No processing on the ApiItem orAstItem  should be done in this class, this class is only
 * concerned with communicating state.
 * The ApiItem can then be used to enforce correct API usage, like enforcing internal.
 * To use DocItemLoader: provide a projectFolder to construct a instance of the DocItemLoader,
 * then use DocItemLoader.getItem to retrieve the ApiItem of a particular API item.
 */
export declare class DocItemLoader implements IReferenceResolver {
    private _cache;
    private _projectFolder;
    /**
     * The projectFolder is the top-level folder containing package.json for a project
     * that we are compiling.
     */
    constructor(projectFolder: string);
    /**
     * {@inheritdoc IReferenceResolver.resolve}
     */
    resolve(apiDefinitionRef: ApiDefinitionReference, astPackage: AstPackage, warnings: string[]): ResolvedApiItem | undefined;
    /**
     * Resolution of API definition references in the scenario that the reference given indicates
     * that we should search within the current AstPackage to resolve.
     * No processing on the AstItem should be done here, this class is only concerned
     * with communicating state.
     */
    resolveLocalReferences(apiDefinitionRef: ApiDefinitionReference, astPackage: AstPackage, warnings: string[]): ResolvedApiItem | undefined;
    /**
     * Resolution of API definition references in the scenario that the reference given indicates
     * that we should search outside of this AstPackage and instead search within the JSON API file
     * that is associated with the apiDefinitionRef.
     */
    resolveJsonReferences(apiDefinitionRef: ApiDefinitionReference, warnings: string[]): ResolvedApiItem | undefined;
    /**
     * Attempts to locate and load the IApiPackage object from the project folder's
     * node modules. If the package already exists in the cache, nothing is done.
     *
     * @param apiDefinitionRef - interface with properties pertaining to the API definition reference
     */
    getPackage(apiDefinitionRef: ApiDefinitionReference): IApiPackage | undefined;
    /**
     * Loads the API documentation json file and validates that it conforms to our schema. If it does,
     * then the json file is saved in the cache and returned.
     */
    loadPackageIntoCache(apiJsonFilePath: string, cachePackageName: string): IApiPackage;
}