import { LoadBlockController } from "./load_block_controller";
export declare class PollBlockController extends LoadBlockController {
    static targets: string[];
    static values: {
        endpoint: StringConstructor;
        errorMessage: StringConstructor;
        selector: StringConstructor;
        maxRetries: NumberConstructor;
        seconds: NumberConstructor;
    };
    readonly hasSecondsValue: boolean;
    readonly secondsValue: number;
    connect(): void;
    _timeout(): Promise<void>;
}