module DateAndTime
  module Calculations
  end
  module Zones
  end
  module Compatibility
  end
end
module ActiveSupport
  class TimeZone
  end
  class Duration
  end
end

class Time
  include DateAndTime::Calculations
  def in_time_zone: (?(ActiveSupport::TimeZone | String) new_zone) -> ::ActiveSupport::TimeWithZone
                  | (false? zone) -> ::Time
  def +: (ActiveSupport::Duration other) -> self
       | ...
  def -: (ActiveSupport::Duration other) -> self
       | ...
  alias at_beginning_of_day beginning_of_day
  alias at_beginning_of_hour beginning_of_hour
  alias at_beginning_of_minute beginning_of_minute
  alias at_end_of_day end_of_day
  alias at_end_of_hour end_of_hour
  alias at_end_of_minute end_of_minute
  alias at_midday middle_of_day
  alias at_middle_of_day middle_of_day
  alias at_midnight beginning_of_day
  alias at_noon middle_of_day
  def beginning_of_day: () -> self
  def beginning_of_hour: () -> self
  def beginning_of_minute: () -> self
  def compare_with_coercion: (untyped other) -> (-1 | 0 | 1 | nil)
  def compare_without_coercion: (untyped other) -> (-1 | 0 | 1 | nil)
  def end_of_day: () -> self
  def end_of_hour: () -> self
  def end_of_minute: () -> self
  def eql_with_coercion: (untyped other) -> bool
  def eql_without_coercion: (untyped other) -> bool
  alias midday middle_of_day
  def middle_of_day: () -> self
  alias midnight beginning_of_day
  def minus_with_coercion: (Time | self arg0) -> Float
                        | (Numeric arg0) -> self
  def minus_with_duration: (Time | self arg0) -> Float
                        | (Numeric arg0) -> self
  def minus_without_coercion: (Time | self arg0) -> Float
                        | (Numeric arg0) -> self
  def minus_without_duration: (Time | self arg0) -> Float
                        | (Numeric arg0) -> self
  def next_day: () -> self
  def next_month: () -> self
  def next_year: () -> self
  alias noon middle_of_day
  def plus_without_duration: (Time | self arg0) -> Float
                          | (Numeric arg0) -> self
  def prev_day: () -> self
  def prev_month: () -> self
  def prev_year: () -> self
  def seconds_since_midnight: () -> Float
  def seconds_until_end_of_day: () -> Integer
  def sec_fraction: () -> (Integer | Rational)
  def to_default_s: () -> String
end