import { MetadataAccessor } from '@loopback/context';
import { JsonSchemaOptions, SchemaRef } from '@loopback/openapi-v3';
/**
 * Metadata key used to set or retrieve repository JSON Schema
 */
export declare const OVERRIDE_MODEL_SCHEMA_KEY: MetadataAccessor<Function, ClassDecorator>;
export declare function getModelSchemaRefSF<T extends object>(modelCtor: Function & {
    prototype: T;
}, options?: JsonSchemaOptions<T>): SchemaRef;