import type { JsonSchema } from '../types.js';
import type { SchemaCompatibility } from './types.js';
export declare function isRecord(value: unknown): value is Record<string, unknown>;
export declare function schemaCompatibility(source: unknown, destination: unknown): SchemaCompatibility;
export type PathExistence = 'exists' | 'missing' | 'unknown';
export declare function pathExistence(schema: JsonSchema | undefined, path: string): PathExistence;
export declare function schemaAtPath(schema: JsonSchema | undefined, path: string): JsonSchema | undefined;
export declare function isCanonicalScopedPath(path: string): boolean;
export declare function schemaForValue(value: unknown): JsonSchema;
export declare function emptyObjectSchema(): JsonSchema;
export declare function unionObjectSchemas(left: JsonSchema, right: JsonSchema): JsonSchema;
export declare function setSchemaPath(root: JsonSchema, path: string, value: JsonSchema): JsonSchema;