import type { GatsbyNode } from "gatsby";
export interface PluginTypeOptions {
    mdxField: string;
    mdxFrontmatterField: string;
    preprocessImages?: boolean;
    gatsbyImageClassName?: string;
}
export interface PluginOptions {
    mdxNodeTypes: {
        [key: string]: PluginTypeOptions;
    };
}
export declare const onPreInit: GatsbyNode["onPreInit"];
export declare const createResolvers: GatsbyNode["createResolvers"];
export declare const onCreateNode: GatsbyNode["onCreateNode"];
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