import type { FieldResolver, QueryUpdate, ResolverResult } from "./field_resolver.js";
export type { NullFallbackPreference } from "./field_resolver.js";
export declare class SimpleFieldResolver implements FieldResolver {
    #private;
    constructor(...allowedFields: string[]);
    updateQuery(query: QueryUpdate): QueryUpdate;
    resolve(field: string): ResolverResult;
}
