Pennsylvania Dutch Apple Pie

Name: Pennsylvania Dutch Apple Pie
Ingredients: One half Buttery Flaky Pie Crust recipe (dough shaped through step 2); 4 tablespoons (57g) unsalted butter; 4 pounds (1.8kg) apples, preferably a mixture of Golden Delicious and Granny Smith (about 8 to 10 apples), peeled, quartered, cored, and sliced 1/2 inch thick (see notes); 1/3 cup (118ml) maple syrup; 1/3 cup (79ml) apple cider; 1/4 cup (59ml) heavy cream; 2 tablespoons cornstarch; 1/2 teaspoon kosher salt; for table salt use half as much by volume; 1 teaspoon ground cinnamon; 1/2 cup raisins (2 1/2 ounces; 70g), optional; 1 cup all-purpose flour (4 1/2 ounces; 128g); 1/2 cup packed light brown sugar (3 3/4 ounces; 106g); 1/2 teaspoon kosher salt; for table salt, use half as much by volume; 6 tablespoons (85) unsalted butter, melted and cooled slightly