chore: Update discovery artifacts (#1396)

## Discovery Artifact Change Summary:
feat(dialogflow): update the api https://github.com/googleapis/google-api-python-client/commit/f7b0ebc0047427b3633480999ed28e0f37fa77f1
feat(sasportal): update the api https://github.com/googleapis/google-api-python-client/commit/ca30eddc3d583c1851cc2f70f37c1d9f81f4342f
feat(youtube): update the api https://github.com/googleapis/google-api-python-client/commit/981cfb0ae51df0d2f48152bb74f79840ca19727a
diff --git a/docs/dyn/gmail_v1.users.labels.html b/docs/dyn/gmail_v1.users.labels.html
index 2b827de..db4d225 100644
--- a/docs/dyn/gmail_v1.users.labels.html
+++ b/docs/dyn/gmail_v1.users.labels.html
@@ -110,7 +110,7 @@
   body: object, The request body.
     The object takes the form of:
 
-{ # Labels are used to categorize messages and threads within the user's mailbox.
+{ # Labels are used to categorize messages and threads within the user's mailbox. The maximum number of labels supported for a user's mailbox is 10,000.
   "color": { # The color to assign to the label. Color is only available for labels that have their `type` set to `user`.
     "backgroundColor": "A String", # The background color represented as hex string #RRGGBB (ex #000000). This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
     "textColor": "A String", # The text color of the label, represented as hex string. This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
@@ -134,7 +134,7 @@
 Returns:
   An object of the form:
 
-    { # Labels are used to categorize messages and threads within the user's mailbox.
+    { # Labels are used to categorize messages and threads within the user's mailbox. The maximum number of labels supported for a user's mailbox is 10,000.
   "color": { # The color to assign to the label. Color is only available for labels that have their `type` set to `user`.
     "backgroundColor": "A String", # The background color represented as hex string #RRGGBB (ex #000000). This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
     "textColor": "A String", # The text color of the label, represented as hex string. This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
@@ -180,7 +180,7 @@
 Returns:
   An object of the form:
 
-    { # Labels are used to categorize messages and threads within the user's mailbox.
+    { # Labels are used to categorize messages and threads within the user's mailbox. The maximum number of labels supported for a user's mailbox is 10,000.
   "color": { # The color to assign to the label. Color is only available for labels that have their `type` set to `user`.
     "backgroundColor": "A String", # The background color represented as hex string #RRGGBB (ex #000000). This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
     "textColor": "A String", # The text color of the label, represented as hex string. This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
@@ -213,7 +213,7 @@
 
     {
   "labels": [ # List of labels. Note that each label resource only contains an `id`, `name`, `messageListVisibility`, `labelListVisibility`, and `type`. The labels.get method can fetch additional label details.
-    { # Labels are used to categorize messages and threads within the user's mailbox.
+    { # Labels are used to categorize messages and threads within the user's mailbox. The maximum number of labels supported for a user's mailbox is 10,000.
       "color": { # The color to assign to the label. Color is only available for labels that have their `type` set to `user`.
         "backgroundColor": "A String", # The background color represented as hex string #RRGGBB (ex #000000). This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
         "textColor": "A String", # The text color of the label, represented as hex string. This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
@@ -242,7 +242,7 @@
   body: object, The request body.
     The object takes the form of:
 
-{ # Labels are used to categorize messages and threads within the user's mailbox.
+{ # Labels are used to categorize messages and threads within the user's mailbox. The maximum number of labels supported for a user's mailbox is 10,000.
   "color": { # The color to assign to the label. Color is only available for labels that have their `type` set to `user`.
     "backgroundColor": "A String", # The background color represented as hex string #RRGGBB (ex #000000). This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
     "textColor": "A String", # The text color of the label, represented as hex string. This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
@@ -266,7 +266,7 @@
 Returns:
   An object of the form:
 
-    { # Labels are used to categorize messages and threads within the user's mailbox.
+    { # Labels are used to categorize messages and threads within the user's mailbox. The maximum number of labels supported for a user's mailbox is 10,000.
   "color": { # The color to assign to the label. Color is only available for labels that have their `type` set to `user`.
     "backgroundColor": "A String", # The background color represented as hex string #RRGGBB (ex #000000). This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
     "textColor": "A String", # The text color of the label, represented as hex string. This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
@@ -293,7 +293,7 @@
   body: object, The request body.
     The object takes the form of:
 
-{ # Labels are used to categorize messages and threads within the user's mailbox.
+{ # Labels are used to categorize messages and threads within the user's mailbox. The maximum number of labels supported for a user's mailbox is 10,000.
   "color": { # The color to assign to the label. Color is only available for labels that have their `type` set to `user`.
     "backgroundColor": "A String", # The background color represented as hex string #RRGGBB (ex #000000). This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
     "textColor": "A String", # The text color of the label, represented as hex string. This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
@@ -317,7 +317,7 @@
 Returns:
   An object of the form:
 
-    { # Labels are used to categorize messages and threads within the user's mailbox.
+    { # Labels are used to categorize messages and threads within the user's mailbox. The maximum number of labels supported for a user's mailbox is 10,000.
   "color": { # The color to assign to the label. Color is only available for labels that have their `type` set to `user`.
     "backgroundColor": "A String", # The background color represented as hex string #RRGGBB (ex #000000). This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765
     "textColor": "A String", # The text color of the label, represented as hex string. This field is required in order to set the color of a label. Only the following predefined set of color values are allowed: \#000000, #434343, #666666, #999999, #cccccc, #efefef, #f3f3f3, #ffffff, \#fb4c2f, #ffad47, #fad165, #16a766, #43d692, #4a86e8, #a479e2, #f691b3, \#f6c5be, #ffe6c7, #fef1d1, #b9e4d0, #c6f3de, #c9daf8, #e4d7f5, #fcdee8, \#efa093, #ffd6a2, #fce8b3, #89d3b2, #a0eac9, #a4c2f4, #d0bcf1, #fbc8d9, \#e66550, #ffbc6b, #fcda83, #44b984, #68dfa9, #6d9eeb, #b694e8, #f7a7c0, \#cc3a21, #eaa041, #f2c960, #149e60, #3dc789, #3c78d8, #8e63ce, #e07798, \#ac2b16, #cf8933, #d5ae49, #0b804b, #2a9c68, #285bac, #653e9b, #b65775, \#822111, #a46a21, #aa8831, #076239, #1a764d, #1c4587, #41236d, #83334c \#464646, #e7e7e7, #0d3472, #b6cff5, #0d3b44, #98d7e4, #3d188e, #e3d7ff, \#711a36, #fbd3e0, #8a1c0a, #f2b2a8, #7a2e0b, #ffc8af, #7a4706, #ffdeb5, \#594c05, #fbe983, #684e07, #fdedc1, #0b4f30, #b3efd3, #04502e, #a2dcc1, \#c2c2c2, #4986e7, #2da2bb, #b99aff, #994a64, #f691b2, #ff7537, #ffad46, \#662e37, #ebdbde, #cca6ac, #094228, #42d692, #16a765