diff --git a/sig/lrama/state/reduce_reduce_conflict.rbs b/sig/lrama/state/reduce_reduce_conflict.rbs
index 2d8ecf9a..23ced680 100644
--- a/sig/lrama/state/reduce_reduce_conflict.rbs
+++ b/sig/lrama/state/reduce_reduce_conflict.rbs
@@ -1,9 +1,11 @@
 module Lrama
   class State
     class ReduceReduceConflict
-    attr_accessor symbols: Array[Grammar::Symbol?]
-    attr_accessor reduce1: State::Reduce
-    attr_accessor reduce2: State::Reduce
+      attr_accessor symbols: Array[Grammar::Symbol?]
+      attr_accessor reduce1: State::Reduce
+      attr_accessor reduce2: State::Reduce
+
+      def initialize: (?symbols: Array[Grammar::Symbol?], ?reduce1: State::Reduce, ?reduce2: State::Reduce) -> void
 
       def type: () -> :reduce_reduce
     end
diff --git a/sig/lrama/state/resolved_conflict.rbs b/sig/lrama/state/resolved_conflict.rbs
index 4856608f..76be9469 100644
--- a/sig/lrama/state/resolved_conflict.rbs
+++ b/sig/lrama/state/resolved_conflict.rbs
@@ -6,6 +6,8 @@ module Lrama
       attr_accessor which: (:reduce | :shift)
       attr_accessor same_prec: bool
 
+      def initialize: (?symbol: Grammar::Symbol, ?reduce: State::Reduce, ?which: (:reduce | :shift), ?same_prec: bool) -> void
+
       def report_message: () -> (::String | bot)
     end
   end
diff --git a/sig/lrama/state/shift_reduce_conflict.rbs b/sig/lrama/state/shift_reduce_conflict.rbs
index 74e5c102..af878342 100644
--- a/sig/lrama/state/shift_reduce_conflict.rbs
+++ b/sig/lrama/state/shift_reduce_conflict.rbs
@@ -1,9 +1,11 @@
 module Lrama
   class State
     class ShiftReduceConflict
-    attr_accessor symbols: Array[Grammar::Symbol]
-    attr_accessor shift: State::Shift
-    attr_accessor reduce: State::Reduce
+      attr_accessor symbols: Array[Grammar::Symbol]
+      attr_accessor shift: State::Shift
+      attr_accessor reduce: State::Reduce
+
+      def initialize: (?symbols: Array[Grammar::Symbol], ?shift: State::Shift, ?reduce: State::Reduce) -> void
 
       def type: () -> :shift_reduce
     end