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Adrien Leravat
094311133d
Provides a first implementation iteration towards class prefix and extension, along with user-friendly error regarding missing implementation for #1881 **Explorer behavior** For class prefix `base` and `abstract`: ``` Class prefixes `base` and `abstract` are not supported yet ``` For extension with `extends`: ``` Class extension with `extends` is not supported yet ``` **Motivation** * Provides user-friendly error for these unsupported features * First implementation increment in supporting class prefix and extension.