add support for location field to mute timings

alerting_mute_timing.go

@@ -19,6 +19,7 @@ type TimeInterval struct {
 	DaysOfMonth []DayOfMonthRange `json:"days_of_month,omitempty"`
 	Months      []MonthRange      `json:"months,omitempty"`
 	Years       []YearRange       `json:"years,omitempty"`
+	Location    Location          `json:"location,omitempty"`
 }
 
 // TimeRange represents a range of minutes within a 1440 minute day, exclusive of the End minute.
@@ -39,6 +40,9 @@ type MonthRange string
 // A YearRange is a positive inclusive range of years, e.g. "2030" or "2021:2022".
 type YearRange string
 
+// A Location time zone for the time interval in IANA time zone database, e.g. "America/New_York"
+type Location string
+
 // MuteTimings fetches all mute timings.
 func (c *Client) MuteTimings() ([]MuteTiming, error) {
 	mts := make([]MuteTiming, 0)

alerting_mute_timing_test.go

@@ -100,6 +100,7 @@ func createMuteTiming() MuteTiming {
 				Weekdays: []WeekdayRange{"monday", "wednesday"},
 				Months:   []MonthRange{"1:3", "4"},
 				Years:    []YearRange{"2022", "2023"},
+				Location: "America/New_York",
 			},
 		},
 	}
@@ -122,7 +123,8 @@ const getMuteTimingsJSON = `
 				],
 				"months": [
 					"1"
-				]
+				],
+                "location": "America/New_York"
 			}
 		]
 	},