import { Command } from "@oclif/core";
export declare const Validators: {
    ensureProjectId: (projectId: string) => void;
    ensureExportConfigId: (exportConfigId: string) => void;
    ensureAPIBaseUrl: (apiBaseUrl: string) => void;
    ensureAPIVersion: (apiVersion: string) => void;
    ensureAuthEmail: (authEmail: string) => void;
    ensureAuthSecret: (authSecret: string) => void;
    ensureFileExists: (configName: string, errorString: string) => void;
    exitWithError: (that: Command) => void;
};