GMSNavigationMutableSpeedometerUIOptions
@interface GMSNavigationMutableSpeedometerUIOptions
    : GMSNavigationSpeedometerUIOptionsThe mutable class that encapsulates UI configuration for different severities of speed alerts,
represented by GMSNavigationSpeedAlertSeverity.
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                  Sets the color of the speed alert text to use for the specified speed alert severity and lighting mode. @note: Attempting to set the color for GMSNavigationSpeedAlertSeverityUnknownorGMSNavigationSpeedAlertSeverityNotSpeedingis a no-op.DeclarationSwift func setTextColor(_ color: UIColor, for speedAlertSeverity: GMSNavigationSpeedAlertSeverity, lightingMode: GMSNavigationLightingMode)Objective-C - (void)setTextColor:(nonnull UIColor *)color forSpeedAlertSeverity:(GMSNavigationSpeedAlertSeverity)speedAlertSeverity lightingMode:(GMSNavigationLightingMode)lightingMode;
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                  Sets the speed alert icon background color to use for the specified speed alert severity and lighting mode. @note: Attempting to set the color for GMSNavigationSpeedAlertSeverityUnknownorGMSNavigationSpeedAlertSeverityNotSpeedingis a no-op.DeclarationSwift func setBackgroundColor(_ color: UIColor, for speedAlertSeverity: GMSNavigationSpeedAlertSeverity, lightingMode: GMSNavigationLightingMode)Objective-C - (void)setBackgroundColor:(nonnull UIColor *)color forSpeedAlertSeverity:(GMSNavigationSpeedAlertSeverity)speedAlertSeverity lightingMode:(GMSNavigationLightingMode)lightingMode;