struct 'mongroup' was previously declared as a class; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]

'mongroup' defined as a struct here but previously declared as a class; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]

class 'mongroup' was previously declared as a struct; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]

'mongroup' defined as a struct here but previously declared as a class; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]

struct 'mongroup' was previously declared as a class; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]

struct 'mongroup' was previously declared as a class; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]

'mongroup' defined as a struct here but previously declared as a class; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]

struct 'mongroup' was previously declared as a class; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]

'mongroup' defined as a struct here but previously declared as a class; this is valid, but may result in linker errors under the Microsoft C++ ABI [clang-diagnostic-mismatched-tags,-warnings-as-errors]