import { MobileFile, MobileInputFile } from '@codeleap/types';
export declare const stringToFile: (str: string) => MobileInputFile;
/** Unwraps a `FileWithPreview` wrapper (which carries a `preview` URI for display) down to the raw `MobileFile` shape that the fetch layer can append to `FormData`; passing a `FileWithPreview` directly to `FormData.append` would serialize the wrapper object as a string. */
export declare function toMultipartFile(file: MobileInputFile): MobileFile<{}>;
export declare function isFile(param: any): param is MobileInputFile;
export declare function toMultipart(body: any, defaultFileValue?: string): FormData;
export declare function getFileMimeType(uri: string): any;
export declare function getFileInfo(uri: string): {
    name: string | undefined;
    type: any;
    uri: string;
};
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