indent - the number of spaces to use for indentation.
line_length - the maximum number of characters in a line.
embracing_op_no_nl - whether to allow a newline after an embracing operator.
allow_nl_after_assignment - whether to allow a newline after an assignment operator.
space_before_complex_rhs_in_formula - whether to add a space before a complex right-hand side in a formula.
strip_suffix_whitespace_in_function_defs - whether to strip suffix whitespace in function definitions.
function_line_breaks - the type of line breaks in function definitions when arguments do not
fit. Possible values are: hanging, double, single.
insert_newline_in_quote_call - whether to insert a newline in calls to quote.