import type { AnyObject } from '../index';
import type { JsonSchemaObject } from './jsonSchema.model';
/**
 * Merges s2 into s1 (mutates s1) and returns s1.
 * Does not mutate s2.
 * API similar to Object.assign(s1, s2)
 */
export declare function mergeJsonSchemaObjects<T1 extends AnyObject, T2 extends AnyObject>(s1: JsonSchemaObject<T1>, s2: JsonSchemaObject<T2>): JsonSchemaObject<T1 & T2>;