export declare type ARN = string;
export declare type PHONE = string;
export interface Tag {
    Key: string;
    Value: string;
}
export declare type SUPPORTED_BACKOFF_FUNCTIONS_TYPE = 'linear' | 'exponential';
export type SupportedProtocol = 'http' | 'https' | 'sqs';
export declare type SUPPORTED_CHANNEL_TYPE = SupportedProtocol | 'default';
export interface MessageAttributeValue {
    DataType: 'String';
    StringListValues?: Array<string>;
    StringValue?: string;
}
export interface MessageAttributeMap {
    [key: string]: MessageAttributeValue;
}
export declare interface MessageAttributeEntry {
    Name: string;
    Value: MessageAttributeValue;
}
export declare interface MessageAttributes {
    entry: Array<MessageAttributeEntry>;
}
export declare interface KeyValue<T = unknown> {
    [key: string]: T;
}
export interface Topic {
    TopicArn?: ARN;
}