# Functions
CheckThresholdCrossed checks if a latency crosses a particular tier for the latency thresholds.
CombineThresholdsWithDefaults takes some threshold overrides, and fills in default values if not specified.
GetDatabaseConfig returns the database-specific config.
GetThresholdTierErrorValue returns the error value to report for the latency error.
GetThresholdTierValue returns the threshold value for the latency type.
# Constants
NoLatencyAlert is a constant to define the string used when there's no latency alert configured for a given threshold.