export type JsonCommitmentScheme = 'plain-sha256' | 'salted-sha256';
export interface JsonCommitment {
    hash: string;
    salt?: string;
}
export interface SaltedJsonCommitment extends JsonCommitment {
    salt: string;
}
export type JsonCommitmentFor<Scheme extends JsonCommitmentScheme> = Scheme extends 'salted-sha256' ? SaltedJsonCommitment : JsonCommitment;
export type RandomBytes = (length: number) => Uint8Array;
/**
 * Commit to a JSON value using the §8.3 JCS posture shared by middleware
 * and direct SDK action capture.
 */
export declare function createJsonCommitment<Scheme extends JsonCommitmentScheme>(value: unknown, scheme: Scheme, randomBytes?: RandomBytes): JsonCommitmentFor<Scheme>;
/** Hash a verbatim tool or action name using the §8.2 hashed-name posture. */
export declare function createToolNameCommitment(name: string): string;
/** Replay a plain or salted §8.3 JSON commitment against supplied material. */
export declare function verifyJsonCommitment(value: unknown, commitment: {
    hash: string;
    salt?: string;
}): boolean;
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