import type { ResolvedModel } from '../schema/types.js';
import type { SchemaLoadResult } from './schema-loader.js';
export interface MergeResult {
    models: ResolvedModel[];
}
/**
 * Merge loaded schemas and extensions into a flat list of resolved models.
 * Traits inject fields first, then base fields, then extensions add theirs.
 * Throws SchemaConflictError if an extension tries to redefine an existing field.
 */
export declare function mergeSchemas(loadResult: SchemaLoadResult): MergeResult;
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