iterator = applyFunctionCoercion(iterator, suppliedItemType, requiredItemType, locator);
iterator = applyFunctionCoercion(iterator, suppliedItemType, requiredItemType, locator);
iterator = applyFunctionCoercion(iterator, suppliedItemType, requiredItemType, locator);
iterator = applyFunctionCoercion(iterator, suppliedItemType, requiredItemType, locator);