import { JSONSchema, Model, TransactionOrKnex } from 'objection';
import { Bytes32 } from '../type-aliases';
export declare const requestTimeout: number;
declare type Request = 'fund' | 'withdraw' | 'challenge' | 'pushOutcome';
interface RequiredColumns {
    readonly channelId: Bytes32;
    readonly request: Request;
    readonly timestamp: Date;
}
export declare class ChainServiceRequest extends Model implements RequiredColumns {
    static tableName: string;
    static get idColumn(): string[];
    readonly channelId: Bytes32;
    readonly request: Request;
    readonly timestamp: Date;
    readonly attempts: number;
    static get jsonSchema(): JSONSchema;
    static insertOrUpdate(channelId: Bytes32, request: Request, tx: TransactionOrKnex): Promise<void>;
    isValid(): boolean;
}
export {};
//# sourceMappingURL=chain-service-request.d.ts.map