Exec executes the cobra command and collects the output into a buffer for further analysis.

ExecWithStdout writes its output to stdout/stderr as well as whatever is previously defined to be the target (like a file).

LoadSpec loads an openapi spec relative to the current go file's location.

LoadSpecs looks into the directory path relative to the current go file's directory path.

LoadTemplates loads all .go files starting with template_ or ending with _template.go from the templates folder.