/**
 * Reading a Claude Code session into the neutral vocabulary.
 *
 * Two rules shape everything here: no result body crosses (FR-24) and no system prompt,
 * environment value, token or hidden reasoning crosses (FR-28, NG-7). Both are enforced by
 * what this file builds, not by what a caller does with it.
 */
import type { CanonicalSession, CanonicalTurn, HomePath, SessionDescriptor } from "./contract.js";
/** FR-25: every dropped body is marked in text the model can read. */
export declare const DROPPED_MARKER = "(content dropped: imported session, may be stale)";
export declare const UNREADABLE_TITLE = "(unreadable session file)";
export declare const UNTITLED = "(no user message)";
export interface SessionReadResult {
    turns: CanonicalTurn[];
    /**
     * Entries this adapter does not read: the other entry types of C-3, hidden reasoning, and
     * everything FR-28 excludes. `AgentAdapter` has no field for this count, so it is reported
     * here and asserted by T-CC-15.
     */
    skipped: number;
    /** Set when the file is cut mid-entry. Then the session is not readable at all. */
    unreadable: string | null;
    title: string;
    startedAt: string | null;
    updatedAt: string | null;
    repoPath: string | null;
    branch: string | null;
    changedPaths: string[];
}
/** The redacted source arguments, shortened so one call stays one line. */
export declare function renderArguments(input: unknown): string;
/** Read a whole session file into canonical turns. Pure: it takes the text, not a path. */
export declare function readSessionText(text: string): SessionReadResult;
/** One row per session file of the home, newest first (FR-11, FR-14). */
export declare function listSessions(home: HomePath): Promise<SessionDescriptor[]>;
/** One session in the neutral vocabulary. A file cut mid-entry is reported, never guessed at. */
export declare function loadSession(descriptor: SessionDescriptor): Promise<CanonicalSession>;