Issue when using this for Flutter Web

[ajayshilwant]

Description

crossplatform_google_maps-4.1.0/lib/src/web/utils.dart:46:3: Error: Type 'MapTypeStyleElementType' not found.
crossplatform_google_maps-4.1.0/lib/src/web/utils.dart:146:3: Error: Type 'MapTypeStyler' not found.

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