import { DynamoEntity } from '../core/entity.js';
import { ObjectLikeZodType, EntitySchema, TransactWriteOperation } from '../core/index.js';
import { ReturnValue, ReturnItemCollectionMetrics, ItemCollectionMetrics } from '@aws-sdk/client-dynamodb';
import { BaseConfig, BaseResult, BaseCommand, WriteTransactable } from './index.js';

/**
 * Configuration for the Delete command.
 *
 * @template Schema - The Zod schema defining the structure of the entity.
 */
type DeleteConfig<Schema extends ObjectLikeZodType> = BaseConfig & {
    key: Partial<EntitySchema<Schema>>;
    returnValues?: ReturnValue;
    returnItemCollectionMetrics?: ReturnItemCollectionMetrics;
};
/**
 * Result of the Delete command.
 *
 * @template Schema - The Zod schema defining the structure of the entity.
 */
type DeleteResult<Schema extends ObjectLikeZodType> = BaseResult & {
    deletedItem?: Partial<EntitySchema<Schema>> | undefined;
    itemCollectionMetrics?: ItemCollectionMetrics;
};
/**
 * Command to remove an item from a DynamoDB table.
 *
 * @template Schema - The Zod schema defining the structure of the entity.
 *
 * @example
 * ```typescript
 * import { DynamoTable, DynamoEntity, key, Delete } from 'dynamo-document-builder';
 *
 * const table = new DynamoTable({
 *   tableName: 'ExampleTable',
 *   documentClient,
 * });
 *
 * const userEntity = new DynamoEntity({
 *   table,
 *   schema: z.object({
 *     userId: z.string(),
 *     name: z.string(),
 *   }),
 *   partitionKey: user => key('USER', user.userId),
 *   sortKey: () => 'METADATA',
 * });
 *
 * const deleteCommand = new Delete({
 *   key: { userId: 'user123' },
 *   returnValues: 'ALL_OLD',
 * });
 *
 * const { deletedItem } = await userEntity.send(deleteCommand);
 * ```
 */
declare class Delete<Schema extends ObjectLikeZodType> implements BaseCommand<DeleteResult<Schema>, Schema>, WriteTransactable<Schema> {
    #private;
    constructor(config: DeleteConfig<Schema>);
    execute(entity: DynamoEntity<Schema>): Promise<DeleteResult<Schema>>;
    prepareWriteTransaction(entity: DynamoEntity<Schema>): Promise<TransactWriteOperation>;
}

export { Delete };
export type { DeleteConfig, DeleteResult };