export type JsonSchema = Record<string, unknown>;
export declare class CataloxPayloadSchemaRegistryError extends Error {
    constructor(message: string);
}
export interface PayloadSchemaRegistry {
    get(schemaId: string): JsonSchema | null;
    /** All registered schemas (for AJV $ref resolution). */
    list(): JsonSchema[];
}
/**
 * Locate the `schemas/` directory shipped with `@x12i/catalox` (works from both `src/` and `dist/` layouts).
 */
export declare function getBundledCataloxSchemasDir(): string;
/**
 * Load versioned payload JSON Schemas from a `schemas/registry.json` + relative files.
 */
export declare function createBundledPayloadSchemaRegistry(baseDir?: string): PayloadSchemaRegistry;
/** In-memory registry for tests and host-injected schema packs. */
export declare function createInMemoryPayloadSchemaRegistry(entries: Record<string, JsonSchema>): PayloadSchemaRegistry;
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