import { MetadataFetchOptions } from '../state/Metadata/updaters/MetadataUpdater';
export declare const isIpfsUri: (uri: string) => boolean;
export declare const getHash: (uri: string) => string;
export declare function ipfsToImageUri(uriHash: string, gateway?: string): string;
export declare function ipfsToLsUri(uriHash: string, gateway?: string): string;
export declare function fetchIpfsUriBlob(uriHash: string, gateway?: string): Promise<Blob>;
export interface CustomIpfsGatewayConfig {
    gateway: string;
    config?: {
        init?: RequestInit;
    };
}
export declare function chainFetchIpfsUri(uriHash: string, ...customGateways: CustomIpfsGatewayConfig[]): Promise<Response | undefined>;
export declare function chainFetchIpfsLsUri(uriHash: string, ...customGateways: CustomIpfsGatewayConfig[]): Promise<Response | undefined>;
export declare function responseToBlob(response: Response | undefined): Promise<string | undefined>;
export declare function chainFetchIpfsUriBlob(uriHash: string, ...customGateways: CustomIpfsGatewayConfig[]): Promise<string | undefined>;
export declare function chainFetchIpfsApiContent<T extends string>(uri: T, { fetchOptions, auxData }: {
    fetchOptions?: MetadataFetchOptions;
    auxData?: any;
}): Promise<{
    uri: T;
    auxData: any;
}[]>;
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