export declare function assertCanonicalJsonValue(value: unknown, label?: string, seen?: WeakSet<object>): void;
export declare function stableStringify(value: unknown): string;
export declare function sha256Hex(value: Uint8Array | string): string;
export declare function sha256Bytes(value: Uint8Array | string): Uint8Array;
export declare function toIsoString(value: Date | string): string;
export declare function nowIso(): string;
export declare function newId(prefix: string): string;
export declare function anchorDiscriminator(namespace: string, name: string): Buffer;
export declare function encodeU64Le(value: bigint): Buffer;
export declare function encodeI64Le(value: bigint): Buffer;
export declare function encodeU32Le(value: number): Buffer;
export declare function encodeU16Le(value: number): Buffer;
export declare function encodeString(value: string): Buffer;
export declare function readU32Le(buffer: Buffer, offset: number): number;
export declare function readU16Le(buffer: Buffer, offset: number): number;
export declare function readU64Le(buffer: Buffer, offset: number): bigint;
export declare function readI64Le(buffer: Buffer, offset: number): bigint;
export declare function readString(buffer: Buffer, offset: number): {
    value: string;
    offset: number;
};
export declare function toHex(bytes: Uint8Array): string;
export declare function fromHex(value: string, expectedLength?: number): Uint8Array;
export declare function hashStringTo32(value: string): Uint8Array;