import type { Octokit } from 'octokit';
import type { EventBus } from '../events/bus';
import type { EmitContext } from '../events/emit';
import type { PrIdent } from '../events/schema';
export type PrResult = {
    pr: PrIdent;
    action: 'opened' | 'updated' | 'noop';
    headBranch: string;
    baseBranch: string;
    title: string;
};
export type OpenPrInfo = {
    pr: PrIdent;
    title: string;
    headBranch: string;
    headSha: string;
    baseBranch: string;
    isDraft: boolean;
};
export type MergedPrInfo = {
    number: number;
    title: string;
    url?: string;
    headBranch: string;
    baseBranch: string;
    mergedAt: string;
};
export declare function openOrUpdatePr(options: {
    owner: string;
    repo: string;
    headBranch: string;
    baseBranch: string;
    title: string;
    body: string;
    token?: string;
    octokit?: Octokit;
    bus?: EventBus;
    context: EmitContext;
}): Promise<PrResult>;
export declare function requestReviewers(options: {
    pr: PrIdent;
    reviewers: string[];
    requestCopilot: boolean;
    token?: string;
    octokit?: Octokit;
    bus?: EventBus;
    context: EmitContext;
}): Promise<void>;
export declare function findMergedPr(options: {
    owner: string;
    repo: string;
    headBranch: string;
    token?: string;
    octokit?: Octokit;
    bus?: EventBus;
    context: EmitContext;
}): Promise<MergedPrInfo | null>;
export declare function listOpenPullRequests(options: {
    owner: string;
    repo: string;
    token?: string;
    octokit?: Octokit;
    bus?: EventBus;
    context: EmitContext;
}): Promise<OpenPrInfo[]>;