getCountImportedFunc = ast => {
	let count = 0;

	t.traverse(ast, {
		ModuleImport({ node }) {
			if (t.isFuncImportDescr(node.descr)) {
				count++;
			}
		}
	});

	return count;
}
Get the count for imported func
@param {AST} ast Module's AST
@returns {number} - count