import { PortableRegistry, PortableType } from '@dedot/codecs';
import { TypeRef } from '../codecs.js';
/**
 * Map of primitive types to TypeRef tags
 */
export declare const PRIMITIVE_TYPE_MAP: Record<string, TypeRef['type']>;
/**
 * Map of compact types to TypeRef tags
 */
export declare const COMPACT_TYPE_MAP: Record<string, TypeRef['type']>;
/**
 * Get compact type tag for a type
 *
 * @param type - Type to get compact tag for
 * @param registry - Portable registry
 * @returns Compact type tag or null if not a compact
 */
export declare function getCompactType(type: PortableType, registry: PortableRegistry): TypeRef['type'] | null;