/** Public graph/read projection for immutable context snapshots. */
import { type Result } from '@opensip-cli/core';
import type { GraphReadError } from './types.js';
import type { ContextSnapshotPayload, ContextSnapshotRecord } from '../context-snapshot-types.js';
import type { DataStore } from '@opensip-cli/datastore';
export type { ContextSnapshotAccessor, ContextSnapshotKind, ContextSnapshotPayload, ContextSnapshotRecord, ContextSnapshotSaveInput, ContextSnapshotSaveResult, } from '../context-snapshot-types.js';
/**
 * Exact-ID context snapshot lookup result, distinguishing eviction/missing data,
 * unsupported stored schema versions, and validated immutable payloads.
 */
export type ContextSnapshotLookup = {
    readonly status: 'missing';
    readonly id: string;
} | {
    readonly status: 'unsupported-version';
    readonly id: string;
    readonly kind: string;
    readonly schemaVersion: number;
} | {
    readonly status: 'available';
    readonly snapshot: ContextSnapshotRecord & {
        readonly payload: ContextSnapshotPayload;
    };
};
/** Exact-ID lookup. Missing/evicted rows never rebind to latest. */
export declare function readContextSnapshot(store: DataStore, id: string): Result<ContextSnapshotLookup, GraphReadError>;
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