import { GenericContainer } from "testcontainers";
export declare class AbstractGcloudEmulator extends GenericContainer {
    private readonly cmd;
    private readonly flagsManager;
    constructor(image: string, port: number, cmd: string);
    /**
     * Adds flag as argument to emulator start command.
     * Adding same flag name twice replaces existing flag value.
     * @param name flag name. Must be set to non-empty string. May optionally contain -- prefix.
     * @param value flag value. May be empty string.
     * @returns this instance for chaining.
     */
    withFlag(name: string, value: string): this;
    beforeContainerCreated(): Promise<void>;
}