[
  "ast_depth",
  "ast_has_error",
  "ast_node_count",
  "avg_branching",
  "avg_func_len",
  "avg_ident_len",
  "avg_indent",
  "avg_line_len",
  "blank_line_ratio",
  "block_comment_count",
  "brace_ratio",
  "camel_case_ratio",
  "cc_per_function",
  "cnt_assignment",
  "cnt_binary_expr",
  "cnt_call_expr",
  "cnt_channel_op",
  "cnt_class_def",
  "cnt_comment",
  "cnt_compound_stmt",
  "cnt_declaration",
  "cnt_for_stmt",
  "cnt_function_def",
  "cnt_go_stmt",
  "cnt_identifier",
  "cnt_if_stmt",
  "cnt_import_stmt",
  "cnt_number_literal",
  "cnt_preproc",
  "cnt_return_stmt",
  "cnt_string_literal",
  "cnt_switch_stmt",
  "cnt_template",
  "cnt_try_stmt",
  "cnt_while_stmt",
  "comment_char_ratio",
  "cyclomatic_complexity",
  "density_assignment",
  "density_binary_expr",
  "density_call_expr",
  "density_channel_op",
  "density_class_def",
  "density_comment",
  "density_compound_stmt",
  "density_declaration",
  "density_for_stmt",
  "density_function_def",
  "density_go_stmt",
  "density_identifier",
  "density_if_stmt",
  "density_import_stmt",
  "density_number_literal",
  "density_preproc",
  "density_return_stmt",
  "density_string_literal",
  "density_switch_stmt",
  "density_template",
  "density_try_stmt",
  "density_while_stmt",
  "digit_ratio",
  "keyword_density",
  "leaf_ratio",
  "line_comment_count",
  "loc",
  "loc_nonempty",
  "max_branching",
  "max_func_len",
  "max_indent",
  "max_line_len",
  "max_nesting_depth",
  "pascal_case_ratio",
  "punct_ratio",
  "short_ident_ratio",
  "snake_case_ratio",
  "space_ratio",
  "std_func_len",
  "std_ident_len",
  "std_line_len",
  "tab_indent_ratio",
  "tab_ratio",
  "unique_token_ratio",
  "upper_ratio"
]