import { IHttpServerComponent } from '@well-known-components/interfaces';
/**
 * Middleware that automatically converts Ethereum addresses to lowercase in URL parameters
 * This middleware detects parameters that match the Ethereum address pattern and normalizes them
 */
export declare function ethAddressNormalizerMiddleware(): (ctx: IHttpServerComponent.DefaultContext<any>, next: () => Promise<IHttpServerComponent.IResponse>) => Promise<IHttpServerComponent.IResponse>;
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