chore: regens API reference docs (#889)

diff --git a/docs/dyn/cloudbilling_v1.services.skus.html b/docs/dyn/cloudbilling_v1.services.skus.html
index e2f21bc..f82a183 100644
--- a/docs/dyn/cloudbilling_v1.services.skus.html
+++ b/docs/dyn/cloudbilling_v1.services.skus.html
@@ -86,7 +86,7 @@
   <pre>Lists all publicly available SKUs for a given cloud service.
 
 Args:
-  parent: string, The name of the service.
+  parent: string, Required. The name of the service.
 Example: "services/DA34-426B-A397" (required)
   pageSize: integer, Requested page size. Defaults to 5000.
   currencyCode: string, The ISO 4217 currency code for the pricing info in the response proto.
@@ -157,6 +157,13 @@
                   # aggregation will be over 14 days.
               "aggregationInterval": "A String",
             },
+            "summary": "A String", # An optional human readable summary of the pricing information, has a
+                # maximum length of 256 characters.
+            "currencyConversionRate": 3.14, # Conversion rate used for currency conversion, from USD to the currency
+                # specified in the request. This includes any surcharge collected for billing
+                # in non USD currency. If a currency is not specified in the request this
+                # defaults to 1.0.
+                # Example: USD * currency_conversion_rate = JPY
             "pricingExpression": { # Expresses a mathematical pricing formula. For Example:- # Expresses the pricing formula. See `PricingExpression` for an example.
                 #
                 # `usage_unit: GBy`
@@ -194,14 +201,14 @@
                 { # The price rate indicating starting usage and its corresponding price.
                   "unitPrice": { # Represents an amount of money with its currency type. # The price per unit of usage.
                       # Example: unit_price of amount $10 indicates that each unit will cost $10.
+                    "units": "A String", # The whole units of the amount.
+                        # For example if `currencyCode` is `"USD"`, then 1 unit is one US dollar.
                     "nanos": 42, # Number of nano (10^-9) units of the amount.
                         # The value must be between -999,999,999 and +999,999,999 inclusive.
                         # If `units` is positive, `nanos` must be positive or zero.
                         # If `units` is zero, `nanos` can be positive, zero, or negative.
                         # If `units` is negative, `nanos` must be negative or zero.
                         # For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000.
-                    "units": "A String", # The whole units of the amount.
-                        # For example if `currencyCode` is `"USD"`, then 1 unit is one US dollar.
                     "currencyCode": "A String", # The 3-letter currency code defined in ISO 4217.
                   },
                   "startUsageAmount": 3.14, # Usage is priced at this rate only after this amount.
@@ -210,13 +217,6 @@
                 },
               ],
             },
-            "currencyConversionRate": 3.14, # Conversion rate used for currency conversion, from USD to the currency
-                # specified in the request. This includes any surcharge collected for billing
-                # in non USD currency. If a currency is not specified in the request this
-                # defaults to 1.0.
-                # Example: USD * currency_conversion_rate = JPY
-            "summary": "A String", # An optional human readable summary of the pricing information, has a
-                # maximum length of 256 characters.
           },
         ],
         "name": "A String", # The resource name for the SKU.