/**
 * CometChatMessageComposerAction is a pre-defined structure for creating an attachment option
 * in the CometChatMessageComposer component that the user can perform in addition to composing a message.
 * It is used in AI module, CometChatMessageComposer component and Poll extension.
 */
export declare class CometChatMessageComposerAction {
    /**
      * Unique identifier for the attachment option.
      * @type {string}
      */
    id: string;
    /**
     * Asset URL for the icon to symbolize an attachment option.
     * @type {string}
     */
    iconURL: string;
    /**
     * Function invoked when the user clicks on the attachment option.
     * @type {(() => void) | null}
     */
    onClick: (() => void) | null;
    /**
    * Heading text for the attachment option.
    * @type {string}
    */
    title?: string;
    /**
     * Creates an instance of CometChatMessageComposerAction.
     *
     * @param {Partial<CometChatMessageComposerAction>} props - Partial properties to initialize the action item.
     */
    constructor(props: Partial<CometChatMessageComposerAction>);
}