import { CommandBuilder } from '../command-builder';
import { UpdateCommand } from '../commands/update-command';
import { Entity } from '../entity';
import { EntitySet } from '../entity-set';
/**
 * Update command builder.
 *
 * @type {UpdateCommandBuilder<TEntity>}
 */
export declare class UpdateCommandBuilder<TEntity extends Entity> extends CommandBuilder<UpdateCommand<TEntity>, TEntity, TEntity> {
    /**
     * Entity which should be updated.
     *
     * @type {TEntity}
     */
    protected entity: TEntity;
    /**
     * Constructor.
     *
     * @param {EntitySet<TEntity>} entitySet Entity set.
     * @param {TEntity} entity Entity which should be updated.
     */
    constructor(entitySet: EntitySet<TEntity>, entity: TEntity);
    /**
     * Builds a command.
     *
     * @returns {UpdateCommand<TEntity>} Update command.
     */
    build(): UpdateCommand<TEntity>;
    /**
     * Attaches entity for update.
     *
     * @param {TEntity} entity Entity which should be updated.
     *
     * @returns {UpdateCommandBuilder<TEntity>} Update command builder.
     */
    attach(entity: TEntity): UpdateCommandBuilder<TEntity>;
    /**
     * Updates attached entity.
     *
     * @returns {Promise<TEntity>} Updated entity.
     */
    update(): Promise<TEntity>;
}
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