import { UpdateItemInput } from 'aws-sdk/clients/dynamodb';
import { DynamoDB } from '../dynamodb';
import { Table } from '../table';
import { Executable } from './executable';
import { InsertItem } from './insert-item';
export declare class UpdateItem extends InsertItem implements Executable {
    constructor(table: Table, dynamodb: DynamoDB);
    /**
     * Create a conditional update item object where the condition should be satisfied in order for the item to be
     * updated. This should be used if you want to update a record but not insert one if the index does not exist.
     *
     * @param	condition           A condition that must be satisfied in order for a conditional UpdateItem to succeed.
     */
    where(condition: any): this;
    /**
     * Builds and returns the raw DynamoDB query object.
     */
    buildRawQuery(): UpdateItemInput;
    /**
     * This method will execute the update item request that was built up.
     */
    exec(): Promise<any>;
}