fix: fixed getChild method of ParserRuleContext class

-accepting as the second argument any constructor that returns an object that implements the ParseTree interface

Signed-off-by: AleiynikovPavel <[email protected]>

src/ParserRuleContext.ts

@@ -159,12 +159,9 @@ export class ParserRuleContext extends RuleContext {
 
     public override getChild(i: number): RuleContext | null;
     public override getChild<T extends ParseTree>(i: number,
-        type: new (parent: ParserRuleContext | null, invokingStateNumber: number) => T): T | null;
+        type: new (...args: unknown[]) => T): T | null;
     public override getChild<T extends ParseTree>(i: number,
-        type: new (symbol: Token) => T): T | null;
-    public override getChild<T extends ParseTree>(i: number,
-        type?: (new (parent: ParserRuleContext | null, invokingStateNumber: number) => T)
-            | (new (symbol: Token) => T)): T | null {
+        type?: new (...args: unknown[]) => T): T | null {
         if (this.children === null || i < 0 || i >= this.children.length) {
             return null;
         }