Documentation
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Index ¶
- Constants
- Variables
- func Kind(kind string) schema.GroupKind
- func Resource(resource string) schema.GroupResource
- type ConditionStatus
- type CrossVersionObjectReference
- type HorizontalPodAutoscaler
- type HorizontalPodAutoscalerCondition
- type HorizontalPodAutoscalerConditionType
- type HorizontalPodAutoscalerList
- type HorizontalPodAutoscalerSpec
- type HorizontalPodAutoscalerStatus
- type MetricSourceType
- type MetricSpec
- type MetricStatus
- type ObjectMetricSource
- type ObjectMetricStatus
- type PodsMetricSource
- type PodsMetricStatus
- type ResourceMetricSource
- type ResourceMetricStatus
- type Scale
- type ScaleSpec
- type ScaleStatus
Constants ¶
const DefaultCPUUtilization = 80
DefaultCPUUtilization is the default value for CPU utilization, provided no other metrics are present. This is here because it's used by both the v2beta1 defaulting logic, and the pseudo-defaulting done in v1 conversion.
const GroupName = "autoscaling"
GroupName is the group name use in this package
const HorizontalPodAutoscalerConditionsAnnotation = "autoscaling.alpha.kubernetes.io/conditions"
HorizontalPodAutoscalerConditionsAnnotation is the annotation which holds the conditions of an HPA when converting the `Conditions` field from autoscaling/v2beta1
const MetricSpecsAnnotation = "autoscaling.alpha.kubernetes.io/metrics"
MetricSpecsAnnotation is the annotation which holds non-CPU-utilization HPA metric specs when converting the `Metrics` field from autoscaling/v2beta1
const MetricStatusesAnnotation = "autoscaling.alpha.kubernetes.io/current-metrics"
MetricStatusesAnnotation is the annotation which holds non-CPU-utilization HPA metric statuses when converting the `CurrentMetrics` field from autoscaling/v2beta1
Variables ¶
var ( SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes) AddToScheme = SchemeBuilder.AddToScheme )
var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}
SchemeGroupVersion is group version used to register these objects
Functions ¶
func Resource ¶
func Resource(resource string) schema.GroupResource
Resource takes an unqualified resource and returns a Group qualified GroupResource
Types ¶
type ConditionStatus ¶ added in v1.7.0
type ConditionStatus string
ConditionStatus indicates the status of a condition (true, false, or unknown).
const ( ConditionTrue ConditionStatus = "True" ConditionFalse ConditionStatus = "False" ConditionUnknown ConditionStatus = "Unknown" )
These are valid condition statuses. "ConditionTrue" means a resource is in the condition; "ConditionFalse" means a resource is not in the condition; "ConditionUnknown" means kubernetes can't decide if a resource is in the condition or not. In the future, we could add other intermediate conditions, e.g. ConditionDegraded.
type CrossVersionObjectReference ¶
type CrossVersionObjectReference struct { // Kind of the referent; More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds" Kind string // Name of the referent; More info: http://kubernetes.io/docs/user-guide/identifiers#names Name string // API version of the referent // +optional APIVersion string }
CrossVersionObjectReference contains enough information to let you identify the referred resource.
func (*CrossVersionObjectReference) DeepCopy ¶ added in v1.8.8
func (in *CrossVersionObjectReference) DeepCopy() *CrossVersionObjectReference
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CrossVersionObjectReference.
func (*CrossVersionObjectReference) DeepCopyInto ¶ added in v1.8.8
func (in *CrossVersionObjectReference) DeepCopyInto(out *CrossVersionObjectReference)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type HorizontalPodAutoscaler ¶
type HorizontalPodAutoscaler struct { metav1.TypeMeta // Metadata is the standard object metadata. // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata // +optional metav1.ObjectMeta // Spec is the specification for the behaviour of the autoscaler. // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status. // +optional Spec HorizontalPodAutoscalerSpec // Status is the current information about the autoscaler. // +optional Status HorizontalPodAutoscalerStatus }
HorizontalPodAutoscaler is the configuration for a horizontal pod autoscaler, which automatically manages the replica count of any resource implementing the scale subresource based on the metrics specified.
func (*HorizontalPodAutoscaler) DeepCopy ¶ added in v1.8.8
func (in *HorizontalPodAutoscaler) DeepCopy() *HorizontalPodAutoscaler
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HorizontalPodAutoscaler.
func (*HorizontalPodAutoscaler) DeepCopyInto ¶ added in v1.8.8
func (in *HorizontalPodAutoscaler) DeepCopyInto(out *HorizontalPodAutoscaler)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (*HorizontalPodAutoscaler) DeepCopyObject ¶ added in v1.8.8
func (in *HorizontalPodAutoscaler) DeepCopyObject() runtime.Object
DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
type HorizontalPodAutoscalerCondition ¶ added in v1.7.0
type HorizontalPodAutoscalerCondition struct { // Type describes the current condition Type HorizontalPodAutoscalerConditionType // Status is the status of the condition (True, False, Unknown) Status ConditionStatus // LastTransitionTime is the last time the condition transitioned from // one status to another // +optional LastTransitionTime metav1.Time // Reason is the reason for the condition's last transition. // +optional Reason string // Message is a human-readable explanation containing details about // the transition // +optional Message string }
HorizontalPodAutoscalerCondition describes the state of a HorizontalPodAutoscaler at a certain point.
func (*HorizontalPodAutoscalerCondition) DeepCopy ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerCondition) DeepCopy() *HorizontalPodAutoscalerCondition
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HorizontalPodAutoscalerCondition.
func (*HorizontalPodAutoscalerCondition) DeepCopyInto ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerCondition) DeepCopyInto(out *HorizontalPodAutoscalerCondition)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type HorizontalPodAutoscalerConditionType ¶ added in v1.7.0
type HorizontalPodAutoscalerConditionType string
HorizontalPodAutoscalerConditionType are the valid conditions of a HorizontalPodAutoscaler.
var ( // ScalingActive indicates that the HPA controller is able to scale if necessary: // it's correctly configured, can fetch the desired metrics, and isn't disabled. ScalingActive HorizontalPodAutoscalerConditionType = "ScalingActive" // AbleToScale indicates a lack of transient issues which prevent scaling from occurring, // such as being in a backoff window, or being unable to access/update the target scale. AbleToScale HorizontalPodAutoscalerConditionType = "AbleToScale" // ScalingLimited indicates that the calculated scale based on metrics would be above or // below the range for the HPA, and has thus been capped. ScalingLimited HorizontalPodAutoscalerConditionType = "ScalingLimited" )
type HorizontalPodAutoscalerList ¶
type HorizontalPodAutoscalerList struct { metav1.TypeMeta // Metadata is the standard list metadata. // +optional metav1.ListMeta // Items is the list of horizontal pod autoscaler objects. Items []HorizontalPodAutoscaler }
HorizontalPodAutoscalerList is a list of horizontal pod autoscaler objects.
func (*HorizontalPodAutoscalerList) DeepCopy ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerList) DeepCopy() *HorizontalPodAutoscalerList
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HorizontalPodAutoscalerList.
func (*HorizontalPodAutoscalerList) DeepCopyInto ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerList) DeepCopyInto(out *HorizontalPodAutoscalerList)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (*HorizontalPodAutoscalerList) DeepCopyObject ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerList) DeepCopyObject() runtime.Object
DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
type HorizontalPodAutoscalerSpec ¶
type HorizontalPodAutoscalerSpec struct { // ScaleTargetRef points to the target resource to scale, and is used to the pods for which metrics // should be collected, as well as to actually change the replica count. ScaleTargetRef CrossVersionObjectReference // MinReplicas is the lower limit for the number of replicas to which the autoscaler can scale down. // It defaults to 1 pod. // +optional MinReplicas *int32 // MaxReplicas is the upper limit for the number of replicas to which the autoscaler can scale up. // It cannot be less that minReplicas. MaxReplicas int32 // Metrics contains the specifications for which to use to calculate the // desired replica count (the maximum replica count across all metrics will // be used). The desired replica count is calculated multiplying the // ratio between the target value and the current value by the current // number of pods. Ergo, metrics used must decrease as the pod count is // increased, and vice-versa. See the individual metric source types for // more information about how each type of metric must respond. // +optional Metrics []MetricSpec }
HorizontalPodAutoscalerSpec describes the desired functionality of the HorizontalPodAutoscaler.
func (*HorizontalPodAutoscalerSpec) DeepCopy ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerSpec) DeepCopy() *HorizontalPodAutoscalerSpec
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HorizontalPodAutoscalerSpec.
func (*HorizontalPodAutoscalerSpec) DeepCopyInto ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerSpec) DeepCopyInto(out *HorizontalPodAutoscalerSpec)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type HorizontalPodAutoscalerStatus ¶
type HorizontalPodAutoscalerStatus struct { // ObservedGeneration is the most recent generation observed by this autoscaler. // +optional ObservedGeneration *int64 // LastScaleTime is the last time the HorizontalPodAutoscaler scaled the number of pods, // used by the autoscaler to control how often the number of pods is changed. // +optional LastScaleTime *metav1.Time // CurrentReplicas is current number of replicas of pods managed by this autoscaler, // as last seen by the autoscaler. CurrentReplicas int32 // DesiredReplicas is the desired number of replicas of pods managed by this autoscaler, // as last calculated by the autoscaler. DesiredReplicas int32 // CurrentMetrics is the last read state of the metrics used by this autoscaler. CurrentMetrics []MetricStatus // Conditions is the set of conditions required for this autoscaler to scale its target, // and indicates whether or not those conditions are met. Conditions []HorizontalPodAutoscalerCondition }
HorizontalPodAutoscalerStatus describes the current status of a horizontal pod autoscaler.
func (*HorizontalPodAutoscalerStatus) DeepCopy ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerStatus) DeepCopy() *HorizontalPodAutoscalerStatus
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HorizontalPodAutoscalerStatus.
func (*HorizontalPodAutoscalerStatus) DeepCopyInto ¶ added in v1.8.8
func (in *HorizontalPodAutoscalerStatus) DeepCopyInto(out *HorizontalPodAutoscalerStatus)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type MetricSourceType ¶ added in v1.7.0
type MetricSourceType string
MetricSourceType indicates the type of metric.
var ( // ObjectMetricSourceType is a metric describing a kubernetes object // (for example, hits-per-second on an Ingress object). ObjectMetricSourceType MetricSourceType = "Object" // PodsMetricSourceType is a metric describing each pod in the current scale // target (for example, transactions-processed-per-second). The values // will be averaged together before being compared to the target value. PodsMetricSourceType MetricSourceType = "Pods" // ResourceMetricSourceType is a resource metric known to Kubernetes, as // specified in requests and limits, describing each pod in the current // scale target (e.g. CPU or memory). Such metrics are built in to // Kubernetes, and have special scaling options on top of those available // to normal per-pod metrics (the "pods" source). ResourceMetricSourceType MetricSourceType = "Resource" )
type MetricSpec ¶ added in v1.7.0
type MetricSpec struct { // Type is the type of metric source. It should match one of the fields below. Type MetricSourceType // Object refers to a metric describing a single kubernetes object // (for example, hits-per-second on an Ingress object). // +optional Object *ObjectMetricSource // Pods refers to a metric describing each pod in the current scale target // (for example, transactions-processed-per-second). The values will be // averaged together before being compared to the target value. // +optional Pods *PodsMetricSource // Resource refers to a resource metric (such as those specified in // requests and limits) known to Kubernetes describing each pod in the // current scale target (e.g. CPU or memory). Such metrics are built in to // Kubernetes, and have special scaling options on top of those available // to normal per-pod metrics using the "pods" source. // +optional Resource *ResourceMetricSource }
MetricSpec specifies how to scale based on a single metric (only `type` and one other matching field should be set at once).
func (*MetricSpec) DeepCopy ¶ added in v1.8.8
func (in *MetricSpec) DeepCopy() *MetricSpec
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MetricSpec.
func (*MetricSpec) DeepCopyInto ¶ added in v1.8.8
func (in *MetricSpec) DeepCopyInto(out *MetricSpec)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type MetricStatus ¶ added in v1.7.0
type MetricStatus struct { // Type is the type of metric source. It will match one of the fields below. Type MetricSourceType // Object refers to a metric describing a single kubernetes object // (for example, hits-per-second on an Ingress object). // +optional Object *ObjectMetricStatus // Pods refers to a metric describing each pod in the current scale target // (for example, transactions-processed-per-second). The values will be // averaged together before being compared to the target value. // +optional Pods *PodsMetricStatus // Resource refers to a resource metric (such as those specified in // requests and limits) known to Kubernetes describing each pod in the // current scale target (e.g. CPU or memory). Such metrics are built in to // Kubernetes, and have special scaling options on top of those available // to normal per-pod metrics using the "pods" source. // +optional Resource *ResourceMetricStatus }
MetricStatus describes the last-read state of a single metric.
func (*MetricStatus) DeepCopy ¶ added in v1.8.8
func (in *MetricStatus) DeepCopy() *MetricStatus
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MetricStatus.
func (*MetricStatus) DeepCopyInto ¶ added in v1.8.8
func (in *MetricStatus) DeepCopyInto(out *MetricStatus)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type ObjectMetricSource ¶ added in v1.7.0
type ObjectMetricSource struct { // Target is the described Kubernetes object. Target CrossVersionObjectReference // MetricName is the name of the metric in question. MetricName string // TargetValue is the target value of the metric (as a quantity). TargetValue resource.Quantity }
ObjectMetricSource indicates how to scale on a metric describing a kubernetes object (for example, hits-per-second on an Ingress object).
func (*ObjectMetricSource) DeepCopy ¶ added in v1.8.8
func (in *ObjectMetricSource) DeepCopy() *ObjectMetricSource
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ObjectMetricSource.
func (*ObjectMetricSource) DeepCopyInto ¶ added in v1.8.8
func (in *ObjectMetricSource) DeepCopyInto(out *ObjectMetricSource)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type ObjectMetricStatus ¶ added in v1.7.0
type ObjectMetricStatus struct { // Target is the described Kubernetes object. Target CrossVersionObjectReference // MetricName is the name of the metric in question. MetricName string // CurrentValue is the current value of the metric (as a quantity). CurrentValue resource.Quantity }
ObjectMetricStatus indicates the current value of a metric describing a kubernetes object (for example, hits-per-second on an Ingress object).
func (*ObjectMetricStatus) DeepCopy ¶ added in v1.8.8
func (in *ObjectMetricStatus) DeepCopy() *ObjectMetricStatus
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ObjectMetricStatus.
func (*ObjectMetricStatus) DeepCopyInto ¶ added in v1.8.8
func (in *ObjectMetricStatus) DeepCopyInto(out *ObjectMetricStatus)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type PodsMetricSource ¶ added in v1.7.0
type PodsMetricSource struct { // MetricName is the name of the metric in question MetricName string // TargetAverageValue is the target value of the average of the // metric across all relevant pods (as a quantity) TargetAverageValue resource.Quantity }
PodsMetricSource indicates how to scale on a metric describing each pod in the current scale target (for example, transactions-processed-per-second). The values will be averaged together before being compared to the target value.
func (*PodsMetricSource) DeepCopy ¶ added in v1.8.8
func (in *PodsMetricSource) DeepCopy() *PodsMetricSource
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PodsMetricSource.
func (*PodsMetricSource) DeepCopyInto ¶ added in v1.8.8
func (in *PodsMetricSource) DeepCopyInto(out *PodsMetricSource)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type PodsMetricStatus ¶ added in v1.7.0
type PodsMetricStatus struct { // MetricName is the name of the metric in question MetricName string // CurrentAverageValue is the current value of the average of the // metric across all relevant pods (as a quantity) CurrentAverageValue resource.Quantity }
PodsMetricStatus indicates the current value of a metric describing each pod in the current scale target (for example, transactions-processed-per-second).
func (*PodsMetricStatus) DeepCopy ¶ added in v1.8.8
func (in *PodsMetricStatus) DeepCopy() *PodsMetricStatus
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PodsMetricStatus.
func (*PodsMetricStatus) DeepCopyInto ¶ added in v1.8.8
func (in *PodsMetricStatus) DeepCopyInto(out *PodsMetricStatus)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type ResourceMetricSource ¶ added in v1.7.0
type ResourceMetricSource struct { // Name is the name of the resource in question. Name api.ResourceName // TargetAverageUtilization is the target value of the average of the // resource metric across all relevant pods, represented as a percentage of // the requested value of the resource for the pods. // +optional TargetAverageUtilization *int32 // TargetAverageValue is the target value of the average of the // resource metric across all relevant pods, as a raw value (instead of as // a percentage of the request), similar to the "pods" metric source type. // +optional TargetAverageValue *resource.Quantity }
ResourceMetricSource indicates how to scale on a resource metric known to Kubernetes, as specified in requests and limits, describing each pod in the current scale target (e.g. CPU or memory). The values will be averaged together before being compared to the target. Such metrics are built in to Kubernetes, and have special scaling options on top of those available to normal per-pod metrics using the "pods" source. Only one "target" type should be set.
func (*ResourceMetricSource) DeepCopy ¶ added in v1.8.8
func (in *ResourceMetricSource) DeepCopy() *ResourceMetricSource
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ResourceMetricSource.
func (*ResourceMetricSource) DeepCopyInto ¶ added in v1.8.8
func (in *ResourceMetricSource) DeepCopyInto(out *ResourceMetricSource)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type ResourceMetricStatus ¶ added in v1.7.0
type ResourceMetricStatus struct { // Name is the name of the resource in question. Name api.ResourceName // CurrentAverageUtilization is the current value of the average of the // resource metric across all relevant pods, represented as a percentage of // the requested value of the resource for the pods. It will only be // present if `targetAverageValue` was set in the corresponding metric // specification. // +optional CurrentAverageUtilization *int32 // CurrentAverageValue is the current value of the average of the // resource metric across all relevant pods, as a raw value (instead of as // a percentage of the request), similar to the "pods" metric source type. // It will always be set, regardless of the corresponding metric specification. CurrentAverageValue resource.Quantity }
ResourceMetricStatus indicates the current value of a resource metric known to Kubernetes, as specified in requests and limits, describing each pod in the current scale target (e.g. CPU or memory). Such metrics are built in to Kubernetes, and have special scaling options on top of those available to normal per-pod metrics using the "pods" source.
func (*ResourceMetricStatus) DeepCopy ¶ added in v1.8.8
func (in *ResourceMetricStatus) DeepCopy() *ResourceMetricStatus
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ResourceMetricStatus.
func (*ResourceMetricStatus) DeepCopyInto ¶ added in v1.8.8
func (in *ResourceMetricStatus) DeepCopyInto(out *ResourceMetricStatus)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type Scale ¶
type Scale struct { metav1.TypeMeta // Standard object metadata; More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata. // +optional metav1.ObjectMeta // defines the behavior of the scale. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status. // +optional Spec ScaleSpec // current status of the scale. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status. Read-only. // +optional Status ScaleStatus }
Scale represents a scaling request for a resource.
func (*Scale) DeepCopy ¶ added in v1.8.8
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Scale.
func (*Scale) DeepCopyInto ¶ added in v1.8.8
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (*Scale) DeepCopyObject ¶ added in v1.8.8
DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
type ScaleSpec ¶
type ScaleSpec struct { // desired number of instances for the scaled object. // +optional Replicas int32 }
ScaleSpec describes the attributes of a scale subresource.
func (*ScaleSpec) DeepCopy ¶ added in v1.8.8
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ScaleSpec.
func (*ScaleSpec) DeepCopyInto ¶ added in v1.8.8
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
type ScaleStatus ¶
type ScaleStatus struct { // actual number of observed instances of the scaled object. Replicas int32 // label query over pods that should match the replicas count. This is same // as the label selector but in the string format to avoid introspection // by clients. The string will be in the same format as the query-param syntax. // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors // +optional Selector string }
ScaleStatus represents the current status of a scale subresource.
func (*ScaleStatus) DeepCopy ¶ added in v1.8.8
func (in *ScaleStatus) DeepCopy() *ScaleStatus
DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ScaleStatus.
func (*ScaleStatus) DeepCopyInto ¶ added in v1.8.8
func (in *ScaleStatus) DeepCopyInto(out *ScaleStatus)
DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
Source Files
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Directories
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Package install installs the experimental API group, making it available as an option to all of the API encoding/decoding machinery.
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Package install installs the experimental API group, making it available as an option to all of the API encoding/decoding machinery. |