/**
 * The file backend's ONE disclosure-seat guard: `@contract store.read_back_shape_judged`'s second legal
 * posture — an absence that DISCLOSES — rides a host's `onCorruptRead`, and the guard around it was
 * hand-written four times. Three copies contained an async sink's rejection; the mailbox's caught only a
 * synchronous throw, so an `async` sink there became an unhandled rejection.
 */
import type { CorruptBodyForm } from "../../core/store-contracts/read-back-shape-contract.js";
/** One disclosure. Every level carries `path` + `reason`; `kind` names the level. */
export type CorruptReadInfo = CorruptRecordRead | CorruptReplayTally | CorruptFileRead;
/** One JSONL record a replay skipped: fired per skipped record, in file order, before its read's tally. */
export interface CorruptRecordRead {
    kind: "record";
    path: string;
    reason: string;
    /** 1-based line of the skipped record. */
    line: number;
    form: CorruptBodyForm;
}
/**
 * The count of one replay that skipped at least one record, fired once after its record disclosures; a
 * read that skipped nothing fires none. `total` = `kept` + `dropped` (an unterminated crash tail is not a
 * record); `kept === 0` = nothing in the file was readable.
 */
export interface CorruptReplayTally {
    kind: "replay";
    path: string;
    reason: string;
    kept: number;
    dropped: number;
    total: number;
}
/** A disclosure about a file or directory as a whole, outside any JSONL replay. */
export interface CorruptFileRead {
    kind: "file";
    path: string;
    reason: string;
}
/**
 * Wrap a host's disclosure seat: neither a synchronous throw nor an async rejection can re-introduce the
 * fault the fail-open avoids. `undefined` in ⇒ `undefined` out. Generic in the payload because the
 * session-policy store discloses session coordinates rather than a path.
 */
/** The sink is invoked UNBOUND (`this` is undefined): pass a bound function or an arrow, never a bare
 *  method reference — a method reading `this` throws, and the throw is contained here, so the disclosure
 *  is silently lost rather than surfaced. */
export declare function guardCorruptSink<I>(sink: ((info: I) => void) | undefined): ((info: I) => void) | undefined;