import { ICreateSchemaCustomizationHook } from 'gatsby';
import { IImgixGatsbyOptions } from '../..';
/**
 * createSchemaCustomization is a Gatsby core API hook which can be used to
 * update the GraphQL schema.
 * Here, we use it to add our imgix GraphQL types, as well as add fields to the
 * corresponding types, which are the types that the user has specified to
 * transform, as well as the the root Query type (this adds the imgixImage type
 * to the root query)
 */
export declare const createSchemaCustomization: ICreateSchemaCustomizationHook<IImgixGatsbyOptions>;
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