import { JSONSchema } from "@json-schema-tools/meta-schema";
export interface ProtocolHandlerMap {
    [protocol: string]: (uri: string, root: JSONSchema) => Promise<JSONSchema | undefined>;
}
export default class ReferenceResolver {
    protocolHandlerMap: ProtocolHandlerMap;
    constructor(protocolHandlerMap: ProtocolHandlerMap);
    /**
     * Given a $ref string, it will return the underlying pointed-to value.
     * For remote references, the root object is not used.
     */
    resolve(ref: string, root?: JSONSchema): Promise<JSONSchema>;
}