import * as Knex from 'knex';
export declare const chainServiceRequests = "chain_service_requests";
export declare function addValidChainServiceRequests(knex: Knex, columns: string): Promise<any>;
export declare function dropValidChainServiceRequests(knex: Knex): Promise<any>;
export declare function up(knex: Knex): Promise<any>;
export declare function down(knex: Knex): Promise<any>;
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