import type { KnownBlock, ModalView } from '@slack/types';
export interface SlackEvent {
    type: string;
    body: unknown;
}
export interface SlackThread {
    channelId: string;
    parentTs: string;
}
export type SlackDeliveryResult = {
    kind: 'delivered';
} | {
    kind: 'unavailable';
    reason: string;
};
export type SlackPostResult = {
    kind: 'delivered';
    parentTs: string;
} | {
    kind: 'unavailable';
    reason: string;
};
export interface SlackClient {
    start(receive: (event: SlackEvent) => Promise<void>): Promise<void>;
    postThreadMessage(thread: SlackThread, text: string, blocks?: KnownBlock[]): Promise<SlackDeliveryResult>;
    postMessage(channelId: string, text: string, blocks: KnownBlock[]): Promise<SlackPostResult>;
    openModal(triggerId: string, view: ModalView): Promise<SlackDeliveryResult>;
    stopAccepting(): void;
    close(): Promise<void>;
}
export declare function createSlackClient(tokens: {
    appToken: string;
    botToken: string;
}): SlackClient;
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