import type { Logger } from './contract';
import type { SessionRecord, TranscriptMsg } from './types';
export declare abstract class ProviderSessions {
    abstract readonly family: string;
    /** Sessions for one workspace, newest first. */
    abstract list(root: string): SessionRecord[] | Promise<SessionRecord[]>;
    /** Latest session id for `root`, or undefined when none exist. */
    resolveLatest(root: string, _log?: Logger): Promise<string | undefined>;
    /** Read a transcript by id into a normalized message array. */
    abstract readTranscript(id: string, opts?: {
        cwd?: string;
        file?: string;
        limit?: number;
    }): TranscriptMsg[];
}