import type { PluginSchemaEntry } from '../plugins/registry.js';
/**
 * JSON Schema type (subset of JSON Schema spec).
 */
export interface JSONSchema {
    $schema?: string;
    $defs?: Record<string, JSONSchema>;
    type?: string;
    properties?: Record<string, JSONSchema>;
    required?: string[];
    items?: JSONSchema;
    anyOf?: JSONSchema[];
    $ref?: string;
    description?: string;
    [key: string]: unknown;
}
export interface MergeConfigSchemaOptions {
    pluginSchemas: PluginSchemaEntry[];
}
export interface MergeMetadataSchemasOptions {
    /** User-defined metadata schema from config (takes priority) */
    configSchema?: JSONSchema;
    /** Plugin metadata schemas */
    pluginSchemas: PluginSchemaEntry[];
}
/**
 * Merge plugin schemas into a complete config schema.
 */
export declare function mergeConfigSchema(options: MergeConfigSchemaOptions): JSONSchema;
/**
 * Merge metadata schemas from config and plugins.
 * Config schema takes priority on conflicts.
 */
export declare function mergeMetadataSchemas(options: MergeMetadataSchemasOptions): JSONSchema;
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