export declare const ENTRY_VERSION: 1;
export declare const EVENT_TYPE_TOOL_CALL: 1;
export declare const EVENT_TYPE_TRANSACTION: 2;
export declare const EVENT_TYPE_OBSERVATION: 3;
export declare const EVENT_TYPE_DIRECTORY_ANCHOR: 4;
export declare const EVENT_TYPE_ANNOTATION: 5;
export declare const EVENT_TYPE_REVISION: 6;
export declare const EVENT_TYPE_EXTENSION: 255;
export declare const ENTRY_SIZE: 90;
export interface EntryInput {
    /** SHA-256 hash of the JCS-canonical record, hex-encoded (64 chars) */
    record_hash_hex: string;
    /** Raw 32-byte Ed25519 public key, base64url-encoded */
    creator_key_b64url: string;
    /** context_id as 32 hex chars (16 bytes) */
    context_id: string;
    /** Unix timestamp in milliseconds */
    timestamp: number;
    /** event_type URI from the record (spec 1.2.4) */
    event_type: string;
}
/**
 * Map an event_type URI to the byte slot used by the binary log entry (spec 2.3.1).
 * atrib normative URIs map to dedicated bytes; everything else maps to 0xFF (extension).
 */
export declare function eventTypeUriToByte(uri: string): number;
/**
 * Serialize an attribution record into the 90-byte binary log entry format.
 * Pure function. deterministic given identical inputs.
 */
export declare function serializeEntry(input: EntryInput): Uint8Array;
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