import { AttributeValue } from '@aws-sdk/client-dynamodb';
import { AttributeMap, DynamoDBItem } from '../';
export declare class AttributeMapNormalizer {
    normalizeMaps(input: AttributeMap[]): DynamoDBItem[];
    normalizeMap(input: AttributeMap): DynamoDBItem;
    normalizeAttributeValue(input: AttributeValue): any;
    private typeOfString;
    private typeOf;
}