import { TransactionalAdapter } from '@nestjs-cls/transactional';
import { Knex } from 'knex';
export interface KnexTransactionalAdapterOptions {
    /**
     * The injection token for the Knex instance.
     */
    knexInstanceToken: any;
    /**
     * Default options for the transaction. These will be merged with any transaction-specific options
     * passed to the `@Transactional` decorator or the `TransactionHost#withTransaction` method.
     */
    defaultTxOptions?: Partial<Knex.TransactionConfig>;
}
export declare class TransactionalAdapterKnex implements TransactionalAdapter<Knex, Knex, Knex.TransactionConfig> {
    connectionToken: any;
    defaultTxOptions?: Partial<Knex.TransactionConfig>;
    constructor(options: KnexTransactionalAdapterOptions);
    optionsFactory: (knexInstance: Knex) => {
        wrapWithTransaction: (options: Knex.TransactionConfig, fn: (...args: any[]) => Promise<any>, setClient: (client?: Knex) => void) => Promise<any>;
        wrapWithNestedTransaction: (options: Knex.TransactionConfig, fn: (...args: any[]) => Promise<any>, setClient: (client?: Knex) => void, client: Knex) => Promise<any>;
        getFallbackInstance: () => Knex<any, any[]>;
    };
}
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