import type { ProviderSecret } from '../credentials/CredentialVault';
import type { GatewayDeployment } from '../auth/InvocationTokenCodec';
import type { SessionImportProfile } from './SessionImportProfiles';
export interface LocalSessionImportResult {
    secret: ProviderSecret;
    /**
     * How the imported credential authenticates upstream. The import itself is
     * local, but an imported subscription session is still an OAuth credential.
     */
    credentialAuthMode?: 'deviceCodeOAuth' | 'local';
    accountLabel?: string;
    metadata?: Record<string, unknown>;
}
export interface LocalSessionImportInput {
    deployment: GatewayDeployment;
}
export interface LocalSessionImportAdapter {
    provider: string;
    offeringId: string;
    importSession(input: LocalSessionImportInput): Promise<LocalSessionImportResult>;
}
export interface FileSessionImportAdapterOptions {
    profile: SessionImportProfile;
    homeDir?: string;
    readFile?: (filePath: string, encoding: BufferEncoding) => Promise<string>;
    maxBytes?: number;
}
export declare class FileSessionImportAdapter implements LocalSessionImportAdapter {
    readonly provider: string;
    readonly offeringId: string;
    private readonly profile;
    private readonly homeDir;
    private readonly readFile;
    private readonly maxBytes;
    constructor(options: FileSessionImportAdapterOptions);
    importSession(input: LocalSessionImportInput): Promise<LocalSessionImportResult>;
    private readSessionFile;
}