Function dropbox_sdk::files::get_thumbnail

pub fn get_thumbnail(
    client: &impl UserAuthClient, 
    arg: &ThumbnailArg, 
    range_start: Option<u64>, 
    range_end: Option<u64>
) -> Result<Result<HttpRequestResult<FileMetadata>, ThumbnailError>>

This is supported on crate feature dbx_files only.

Get a thumbnail for an image. This method currently supports files with the following file extensions: jpg, jpeg, png, tiff, tif, gif and bmp. Photos that are larger than 20MB in size won't be converted to a thumbnail.