// is not namespaced or the request targets all namespaces).
  // If this field is omitted or false then the `namespaces` field
  // must contain a non-empty list.
  // +optional
  optional bool clusterScope = 4;

  // `namespaces` is a list of target namespaces that restricts
  // matches.  A request that specifies a target namespace matches

  // is not namespaced or the request targets all namespaces).
  // If this field is omitted or false then the `namespaces` field
  // must contain a non-empty list.
  // +optional
  optional bool clusterScope = 4;

  // `namespaces` is a list of target namespaces that restricts
  // matches.  A request that specifies a target namespace matches

  // for a GetCapacityRequest with topology and parameters that match the
  // previous fields.
  //
  // This is defined since CSI spec 1.4.0 as the largest size
  // that may be used in a
  // CreateVolumeRequest.capacity_range.required_bytes field to
  // create a volume with the same parameters as those in
  // GetCapacityRequest. The corresponding value in the Kubernetes

  // version of both map-based and more expressive set-based selectors. This is done to
  // avoid introspection in the clients. The string will be in the same format as the
  // query-param syntax. If the target type only supports map-based selectors, both this
  // field and map-based selector field are populated.
  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
  // +optional

  // will be joined together in a comma-separated list.
  //
  // Required.
  optional string valueExpression = 2;
}

// ExpressionWarning is a warning information that targets a specific expression.
message ExpressionWarning {
  // The path to the field that refers the expression.
  // For example, the reference to the expression of the first item of
  // validations is "spec.validations[0].expression"

// value.
message PodsMetricSource {
  // metric identifies the target metric by name and selector
  optional MetricIdentifier metric = 1;

  // target specifies the target value for the given metric
  optional MetricTarget target = 2;
}

// PodsMetricStatus indicates the current value of a metric describing each pod in

// 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.
message ContainerResourceMetricSource {

  // audiences of the token, and otherwise should reject the token. A
  // token issued for multiple audiences may be used to authenticate
  // against any of the audiences listed but implies a high degree of
  // trust between the target audiences.
  repeated string audiences = 1;

  // ExpirationSeconds is the requested duration of validity of the request. The
  // token issuer may return a token with a different validity duration so a

message ISCSIPersistentVolumeSource {
  // targetPortal is iSCSI Target Portal. The Portal is either an IP or ip_addr:port if the port
  // is other than default (typically TCP ports 860 and 3260).
  optional string targetPortal = 1;

  // iqn is Target iSCSI Qualified Name.
  optional string iqn = 2;

  // lun is iSCSI Target Lun number.
  optional int32 lun = 3;

// a number greater than 2^63-1 in magnitude, nor may it have more than 3 decimal
// places. Numbers larger or more precise will be capped or rounded up.
// (E.g.: 0.1m will rounded up to 1m.)
// This may be extended in the future if we require larger or smaller quantities.
//
// When a Quantity is parsed from a string, it will remember the type of suffix