export type GitHubViewer = {
    login: string;
};
export type GitHubRepoSummary = {
    owner: string;
    name: string;
    fullName: string;
    isPrivate: boolean;
};
export type GitHubDeviceCode = {
    deviceCode: string;
    userCode: string;
    verificationUri: string;
    expiresIn: number;
    interval: number;
};
export declare function requestGitHubDeviceCode(clientId: string, scope?: string): Promise<GitHubDeviceCode>;
export declare function exchangeGitHubDeviceCodeForToken(clientId: string, deviceCode: string): Promise<{
    status: "success" | "authorization_pending" | "slow_down";
    accessToken?: string;
}>;
export declare function getGitHubViewer(token: string): Promise<GitHubViewer>;
export declare function listAccessibleGitHubRepos(token: string, limit?: number): Promise<GitHubRepoSummary[]>;
export declare function assertGitHubRepoAccess(owner: string, repo: string, token: string): Promise<void>;