import type { ColdCode } from "../core/types.js";
import type { Versionage } from "../tables/table-types.js";
import type { CounterGroupLike } from "./primitive.js";
import { Structor } from "./structor.js";
/** True when counter code belongs to blinded/bound state tuple families. */
export declare function isBlinderCode(code: string): boolean;
/**
 * Blinded-state structor primitive.
 *
 * KERIpy substance: `Blinder` materializes blinded/bound state tuple groups
 * used for blindable ACDC/TEL state disclosures.
 *
 * Maintainer note:
 * - this class owns counted-group transport framing only
 * - semantic blind/unblind/commit helpers live in `disclosure.ts`
 * - the semantic fixed-field records carried by these groups are
 *   `BlindState` and `BoundState` from `structing.ts`
 */
export declare class Blinder extends Structor {
    constructor(init: Structor | ConstructorParameters<typeof Structor>[0]);
    /** Hydrate a `Blinder` from an already parsed counter-group node. */
    static fromGroup(group: CounterGroupLike, sourceDomain?: Extract<ColdCode, "txt" | "bny">): Blinder;
}
/** Parse and validate blinded-state attachment groups. */
export declare function parseBlinder(input: Uint8Array, version: Versionage, cold: Extract<ColdCode, "txt" | "bny">): Blinder;
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