import type { TCoreChecksumConfig } from "./types/checksum.js";
declare const CHECKSUM_CONFIG_KEYS: readonly ["expressionFields", "variableFields", "premiseFields", "argumentFields", "roleFields", "claimFields", "claimCitationFields", "claimAxiomFields", "originDocumentFields", "originLinkFields", "originAnchorFields"];
export declare const DEFAULT_CHECKSUM_CONFIG: Readonly<TCoreChecksumConfig>;
/**
 * Ensures all fields of a `TCoreChecksumConfig` are `Set<string>` instances.
 * After a JSON round-trip, Sets become arrays (custom replacer) or empty
 * objects (native `JSON.stringify`); this converts both forms back to Sets.
 * Returns `undefined` if the input is `undefined`. Leaves undefined fields as-is.
 */
export declare function normalizeChecksumConfig(config: TCoreChecksumConfig | undefined): TCoreChecksumConfig | undefined;
/**
 * Converts all `Set<string>` fields in a `TCoreChecksumConfig` to `string[]`
 * so the config survives a plain `JSON.stringify` round-trip (which turns Sets
 * into `{}`). Returns `undefined` when the input is `undefined`.
 */
export declare function serializeChecksumConfig(config: TCoreChecksumConfig | undefined): Record<string, string[]> | undefined;
/**
 * Creates a checksum config by merging additional fields into the defaults.
 * Omitted fields in `additional` inherit defaults. Fields are unioned, not replaced.
 */
export declare function createChecksumConfig(additional: TCoreChecksumConfig): TCoreChecksumConfig;
/**
 * The field set in force for one entity type: the configured set when the
 * configuration has one, otherwise the default, together with the fields
 * hashed under every configuration. Every place a checksum is computed
 * resolves its fields here, so that creation, rollback, restore and strict
 * verification agree.
 */
export declare function resolveChecksumFields(config: TCoreChecksumConfig | undefined, key: (typeof CHECKSUM_CONFIG_KEYS)[number]): Set<string>;
export {};
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