export declare enum TypedEventAttributeType {
    String = "string",
    Boolean = "boolean",
    Integer = "integer",
    Float = "float",
    Date = "date",
    URL = "url",
    StringArray = "string_array",
    ObjectArray = "object_array",
    Object = "object"
}
export type TypedEventAttributeValue = string | boolean | number | string[] | TypedEventAttributes | TypedEventAttributes[];
export type TypedEventAttributes = {
    [key: string]: ITypedEventAttribute;
};
export interface ITypedEventAttribute {
    type: TypedEventAttributeType;
    value: TypedEventAttributeValue;
}
export declare class BatchEventAttributes {
    private readonly _attributes;
    constructor();
    private prepareAttributeKey;
    putDate(key: string, value: number): BatchEventAttributes;
    putURL(key: string, url: string): BatchEventAttributes;
    put(key: string, value: string | number | boolean | string[] | BatchEventAttributes | BatchEventAttributes[]): BatchEventAttributes;
    protected _toInternalRepresentation(): unknown;
}