import { IReactCSSProperties } from "../../../types/react/IReactCSSTypes";
export interface ISpecialMessage {
    message: string;
    style?: IReactCSSProperties;
    leftIcon?: string;
    rightIcon?: string;
    link?: {
        Url: string;
        Desc: string;
    };
}
/**
 * This packages up a web part upgrade notice
 * @param kind
 * @param url
 * @param desc
 */
export declare function specialUpgrade(kind: 'critical' | 'warn', url: string, desc?: string): ISpecialMessage;
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