import type { FileHandle } from 'node:fs/promises';
import { z } from 'zod';
import { type IndexEntry } from './index-page.js';
import { type EvidenceBudget } from './io.js';
import type { SessionEvidenceScope, SessionTextEvidenceReadResult } from './types.js';
export declare const textPointerSchema: z.ZodObject<Pick<{
    offset: z.ZodNumber;
    length: z.ZodNumber;
    sha256: z.ZodString;
    seq: z.ZodNumber;
    turnId: z.ZodOptional<z.ZodString>;
    source: z.ZodEnum<["tool_completed", "message_completed", "compaction_shed:system", "compaction_shed:summary", "compaction_shed:user", "compaction_shed:assistant", "compaction_shed:tool"]>;
    part: z.ZodDefault<z.ZodNumber>;
    toolName: z.ZodOptional<z.ZodString>;
    toolUseId: z.ZodOptional<z.ZodString>;
    isError: z.ZodOptional<z.ZodBoolean>;
    truncated: z.ZodBoolean;
    spill: z.ZodOptional<z.ZodString>;
    filter: z.ZodString;
    tokenFilter: z.ZodOptional<z.ZodString>;
}, "length" | "offset" | "seq" | "part" | "sha256">, "strip", z.ZodTypeAny, {
    length: number;
    offset: number;
    seq: number;
    part: number;
    sha256: string;
}, {
    length: number;
    offset: number;
    seq: number;
    sha256: string;
    part?: number | undefined;
}>;
export interface TextSource {
    entry: IndexEntry;
    recordedAt?: number;
    bytes: number;
    chars?: number;
    retained: 'full' | 'preview';
    chunks: number;
    mayMatch(chunk: number, query: string, matchMode?: 'literal' | 'token', caseSensitive?: boolean): boolean;
    window(chunk: number, preceding?: boolean): Promise<{
        bytes: Buffer;
        offset: number;
        characterOffset?: number;
        searchFrom?: number;
    }>;
}
/** One authenticated record per operation, never shared between calls or sources. */
export declare function createTextSourceReader(handle: FileHandle, sessionDir: string, sessionId: string, budget: EvidenceBudget): (pointer: z.infer<typeof textPointerSchema>, verifiedRecord?: Buffer) => Promise<TextSource>;
export declare function readTextPage(source: TextSource, scope: SessionEvidenceScope, offset: number, budget: EvidenceBudget): Promise<SessionTextEvidenceReadResult>;
//# sourceMappingURL=source-text.d.ts.map