chore: Rework event type generation to support spec splitting

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 175
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic%2Flithic-64e9dd6979ae45f1bb6e77b40e8244ee46673332112ebf33fe2f3a287467ce85.yml
-openapi_spec_hash: ce885445b66e95c5671ee72c01882d79
-config_hash: 07f0e0f3036a4a5825cee527bc46b0b6
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic%2Flithic-6e800837b020104545778d65b7b16bae277e6667d98044e83f3bfeacebdb489b.yml
+openapi_spec_hash: 94788968e119e8665a1b0d4742565984
+config_hash: 2af43c32faa12490c9c9caa2ce62bccb

src/lithic/types/payment_create_params.py

@@ -3,7 +3,9 @@
 from __future__ import annotations
 
 from typing import Optional
-from typing_extensions import Literal, Required, TypedDict
+from typing_extensions import Literal, Required, Annotated, TypedDict
+
+from .._utils import PropertyInfo
 
 __all__ = ["PaymentCreateParams", "MethodAttributes"]
 
@@ -35,7 +37,7 @@ class PaymentCreateParams(TypedDict, total=False):
 class MethodAttributes(TypedDict, total=False):
     sec_code: Required[Literal["CCD", "PPD", "WEB"]]
 
-    ach_hold_period: int
+    ach_hold_period: Annotated[int, PropertyInfo(alias="ach_hold__period")]
     """Number of days to hold the ACH payment"""
 
     addenda: Optional[str]