import DefaultHandler from './default';
import { Asset, Assets } from '../../../types';
export declare const schema: {
    type: string;
    properties: {
        message_types: {
            type: string;
            items: {
                type: string;
                enum: string[];
            };
        };
    };
    additionalProperties: boolean;
};
export default class GuardianPhoneMessageTypesHandler extends DefaultHandler {
    existing: Asset;
    constructor(options: DefaultHandler);
    getType(): Promise<Asset | null>;
    processChanges(assets: Assets): Promise<void>;
}