/**
 * The `kl:parsimony` inline MARKER grammar [#6, EPIC #407] — the stable,
 * GREPPABLE one-line summary of a parsimony Decision Receipt, plus the tolerant
 * back-link parser that recovers a marker's `receipt=<id>` reference.
 *
 * A marker is the human/grep-facing shorthand for a receipt: it names the rung,
 * the outcome, the applicable Control Floor checks and their status, whether a
 * debt was deferred, and — crucially — the `receipt=<receiptId>` back-reference
 * so any marker can be resolved to its full receipt on the hash-chained audit
 * log. The format is single-line with NO spaces inside a field, so a plain
 * `grep 'kl:parsimony'` over a tree finds every marker and `parseMarker` lifts
 * the receipt id back out.
 *
 * HONEST SCOPE: this module is ONLY the grammar (format + back-link parser) and
 * the back-link consumer is `kl debt` (#6). WRITING markers into deliverables as
 * inline CODE COMMENTS is a SEPARATE future concern — it needs coder-node
 * integration to place a comment at the decision's `subject` span in the right
 * comment syntax for the file's language — and is deliberately NOT attempted
 * here. This part is the pure, greppable grammar + the receipt back-link only.
 *
 * @module parsimony/marker
 */
import type { ParsimonyReceipt } from './receipt.js';
/** The literal token every marker line begins with — the grep anchor. */
export declare const MARKER_TAG = "kl:parsimony";
/**
 * Format the stable, greppable `kl:parsimony` marker for a receipt, e.g.
 * `kl:parsimony rung=2 outcome=reuse_native floor=SI-10:pass,AU-2:pass defer=none receipt=01J9...`.
 * The `floor` field lists every check that is NOT `na` (the checks that actually
 * applied), comma-joined; `defer` is `none` when the receipt carries no deferred
 * block, else the `debtId`; `receipt` is the receiptId back-link. Single-line, no
 * spaces inside a field.
 */
export declare function parsimonyMarker(receipt: ParsimonyReceipt): string;
/**
 * Tolerantly parse a marker line, recovering at LEAST its `receipt=<id>`
 * back-reference — the link from an inline marker to its full receipt on the
 * audit log. Returns `null` when the line is not a `kl:parsimony` marker or
 * carries no resolvable receipt reference, so a caller can scan arbitrary text
 * and pick out only the real markers without crashing.
 */
export declare function parseMarker(line: string): {
    receiptId: string;
} | null;
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