import { UUIDMetadataObject, ChannelMetadataObject, ObjectCustom } from "pubnub";
export declare type Themes = "light" | "dark" | "support" | "support-dark" | "event" | "event-dark";
export interface EmojiPickerElementProps {
    onEmojiSelect?: ({ native }: {
        native: any;
    }) => void;
}
export declare type ChannelEntity = ChannelMetadataObject<ObjectCustom>;
export declare type UserEntity = UUIDMetadataObject<ObjectCustom>;
export interface MessageEnvelope {
    channel?: string;
    message: MessagePayload | FilePayload;
    timetoken: string | number;
    messageType?: string | number;
    publisher?: string;
    uuid?: string;
    meta?: {
        [key: string]: unknown;
    };
    actions?: {
        [type: string]: {
            [value: string]: Array<{
                uuid: string;
                actionTimetoken: string | number;
            }>;
        };
    };
}
export interface MessagePayload {
    id: string;
    type?: string;
    text?: string;
    sender?: UUIDMetadataObject<ObjectCustom>;
    attachments?: Array<ImageAttachment | LinkAttachment>;
    createdAt?: string;
    [key: string]: unknown;
}
export interface FilePayload {
    message?: MessagePayload;
    file: FileAttachment;
}
export declare function isFilePayload(message: MessagePayload | FilePayload): message is FilePayload;
export interface FileAttachment {
    id: string;
    name: string;
    url?: string;
}
export interface ImageAttachment {
    type: "image";
    image: {
        source: string;
    };
}
export interface LinkAttachment {
    type: "link";
    description?: string;
    title?: string;
    icon?: {
        source: string;
    };
    image: {
        source: string;
    };
    provider?: {
        name: string;
        url: string;
    };
}
export interface RetryOptions {
    maxRetries: number;
    timeout: number;
    exponentialFactor: number;
}