import { DatastoreQueryTemplate } from "./definition";
export declare class DatastoreIndexBuilder {
    private indexFile;
    private jsonToIndexes;
    constructor(indexFile: string);
    static create(indexFile: string): DatastoreIndexBuilder;
    init(): this;
    addIndex(messageName: string, query: DatastoreQueryTemplate): void;
    writeFileSync(dryRun?: boolean): void;
}