import { Context } from 'grammy';
import { Chat } from '@grammyjs/types';
type MaybeArray<T> = T | Array<T>;
type MaybePromise<T> = T | Promise<T>;
export interface ComposerMetadataChatType {
    method: 'chatType';
    arg: MaybeArray<Chat['type']>;
}
export interface ComposerMetadataPredicate {
    method: 'filter' | 'drop';
    arg: (ctx: Context) => MaybePromise<boolean>;
}
export type ComposerMetadata = ComposerMetadataChatType | ComposerMetadataPredicate;
export {};
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