pipeline

type ContainerArgument struct {
	// Data reference.
	Data                 string   `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type ContainerArguments struct {
	Data                 []string `protobuf:"bytes,1,rep,name=data,proto3" json:"data,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type CoreClient interface {
	SearchSolutions(ctx context.Context, in *SearchSolutionsRequest, opts ...grpc.CallOption) (*SearchSolutionsResponse, error)
	GetSearchSolutionsResults(ctx context.Context, in *GetSearchSolutionsResultsRequest, opts ...grpc.CallOption) (Core_GetSearchSolutionsResultsClient, error)
	EndSearchSolutions(ctx context.Context, in *EndSearchSolutionsRequest, opts ...grpc.CallOption) (*EndSearchSolutionsResponse, error)
	StopSearchSolutions(ctx context.Context, in *StopSearchSolutionsRequest, opts ...grpc.CallOption) (*StopSearchSolutionsResponse, error)
	DescribeSolution(ctx context.Context, in *DescribeSolutionRequest, opts ...grpc.CallOption) (*DescribeSolutionResponse, error)
	ScoreSolution(ctx context.Context, in *ScoreSolutionRequest, opts ...grpc.CallOption) (*ScoreSolutionResponse, error)
	GetScoreSolutionResults(ctx context.Context, in *GetScoreSolutionResultsRequest, opts ...grpc.CallOption) (Core_GetScoreSolutionResultsClient, error)
	FitSolution(ctx context.Context, in *FitSolutionRequest, opts ...grpc.CallOption) (*FitSolutionResponse, error)
	GetFitSolutionResults(ctx context.Context, in *GetFitSolutionResultsRequest, opts ...grpc.CallOption) (Core_GetFitSolutionResultsClient, error)
	ProduceSolution(ctx context.Context, in *ProduceSolutionRequest, opts ...grpc.CallOption) (*ProduceSolutionResponse, error)
	GetProduceSolutionResults(ctx context.Context, in *GetProduceSolutionResultsRequest, opts ...grpc.CallOption) (Core_GetProduceSolutionResultsClient, error)
	SolutionExport(ctx context.Context, in *SolutionExportRequest, opts ...grpc.CallOption) (*SolutionExportResponse, error)
	UpdateProblem(ctx context.Context, in *UpdateProblemRequest, opts ...grpc.CallOption) (*UpdateProblemResponse, error)
	DataAvailable(ctx context.Context, in *DataAvailableRequest, opts ...grpc.CallOption) (*DataAvailableResponse, error)
	ListPrimitives(ctx context.Context, in *ListPrimitivesRequest, opts ...grpc.CallOption) (*ListPrimitivesResponse, error)
	Hello(ctx context.Context, in *HelloRequest, opts ...grpc.CallOption) (*HelloResponse, error)
	// Optional.
	SaveSolution(ctx context.Context, in *SaveSolutionRequest, opts ...grpc.CallOption) (*SaveSolutionResponse, error)
	LoadSolution(ctx context.Context, in *LoadSolutionRequest, opts ...grpc.CallOption) (*LoadSolutionResponse, error)
	SaveFittedSolution(ctx context.Context, in *SaveFittedSolutionRequest, opts ...grpc.CallOption) (*SaveFittedSolutionResponse, error)
	LoadFittedSolution(ctx context.Context, in *LoadFittedSolutionRequest, opts ...grpc.CallOption) (*LoadFittedSolutionResponse, error)
}

type CoreServer interface {
	SearchSolutions(context.Context, *SearchSolutionsRequest) (*SearchSolutionsResponse, error)
	GetSearchSolutionsResults(*GetSearchSolutionsResultsRequest, Core_GetSearchSolutionsResultsServer) error
	EndSearchSolutions(context.Context, *EndSearchSolutionsRequest) (*EndSearchSolutionsResponse, error)
	StopSearchSolutions(context.Context, *StopSearchSolutionsRequest) (*StopSearchSolutionsResponse, error)
	DescribeSolution(context.Context, *DescribeSolutionRequest) (*DescribeSolutionResponse, error)
	ScoreSolution(context.Context, *ScoreSolutionRequest) (*ScoreSolutionResponse, error)
	GetScoreSolutionResults(*GetScoreSolutionResultsRequest, Core_GetScoreSolutionResultsServer) error
	FitSolution(context.Context, *FitSolutionRequest) (*FitSolutionResponse, error)
	GetFitSolutionResults(*GetFitSolutionResultsRequest, Core_GetFitSolutionResultsServer) error
	ProduceSolution(context.Context, *ProduceSolutionRequest) (*ProduceSolutionResponse, error)
	GetProduceSolutionResults(*GetProduceSolutionResultsRequest, Core_GetProduceSolutionResultsServer) error
	SolutionExport(context.Context, *SolutionExportRequest) (*SolutionExportResponse, error)
	UpdateProblem(context.Context, *UpdateProblemRequest) (*UpdateProblemResponse, error)
	DataAvailable(context.Context, *DataAvailableRequest) (*DataAvailableResponse, error)
	ListPrimitives(context.Context, *ListPrimitivesRequest) (*ListPrimitivesResponse, error)
	Hello(context.Context, *HelloRequest) (*HelloResponse, error)
	// Optional.
	SaveSolution(context.Context, *SaveSolutionRequest) (*SaveSolutionResponse, error)
	LoadSolution(context.Context, *LoadSolutionRequest) (*LoadSolutionResponse, error)
	SaveFittedSolution(context.Context, *SaveFittedSolutionRequest) (*SaveFittedSolutionResponse, error)
	LoadFittedSolution(context.Context, *LoadFittedSolutionRequest) (*LoadFittedSolutionResponse, error)
}

type Core_GetFitSolutionResultsClient interface {
	Recv() (*GetFitSolutionResultsResponse, error)
	grpc.ClientStream
}

type Core_GetFitSolutionResultsServer interface {
	Send(*GetFitSolutionResultsResponse) error
	grpc.ServerStream
}

type Core_GetProduceSolutionResultsClient interface {
	Recv() (*GetProduceSolutionResultsResponse, error)
	grpc.ClientStream
}

type Core_GetProduceSolutionResultsServer interface {
	Send(*GetProduceSolutionResultsResponse) error
	grpc.ServerStream
}

type Core_GetScoreSolutionResultsClient interface {
	Recv() (*GetScoreSolutionResultsResponse, error)
	grpc.ClientStream
}

type Core_GetScoreSolutionResultsServer interface {
	Send(*GetScoreSolutionResultsResponse) error
	grpc.ServerStream
}

type Core_GetSearchSolutionsResultsClient interface {
	Recv() (*GetSearchSolutionsResultsResponse, error)
	grpc.ClientStream
}

type Core_GetSearchSolutionsResultsServer interface {
	Send(*GetSearchSolutionsResultsResponse) error
	grpc.ServerStream
}

type DataArgument struct {
	// Data reference.
	Data                 string   `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type DataArguments struct {
	Data                 []string `protobuf:"bytes,1,rep,name=data,proto3" json:"data,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type DataAugmentation struct {
	Domain               []string `protobuf:"bytes,1,rep,name=domain,proto3" json:"domain,omitempty"`
	Keywords             []string `protobuf:"bytes,2,rep,name=keywords,proto3" json:"keywords,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type DataAvailableRequest struct {
	// Some string identifying the name and version of the TA3 system.
	UserAgent string `protobuf:"bytes,1,opt,name=user_agent,json=userAgent,proto3" json:"user_agent,omitempty"`
	// Shall be set to "protocol_version" above.
	Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
	// Desired upper limit of time spend processing this data, expressed in minutes.
	// Is suggestion, and TA2's should attempt to obey, but TA3's should realize may be
	// violated. Default value of 0 (and any negative number) signifies no time bound.
	TimeBound float64 `protobuf:"fixed64,3,opt,name=time_bound,json=timeBound,proto3" json:"time_bound,omitempty"`
	// Value stating the priority for processing of this data. Larger number is higher
	// priority. If unspecified, by default priority is 0. Negative numbers have
	// still lower priority.
	Priority             float64  `protobuf:"fixed64,4,opt,name=priority,proto3" json:"priority,omitempty"`
	Data                 []*Value `protobuf:"bytes,5,rep,name=data,proto3" json:"data,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type DataAvailableResponse struct {
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type DataResource struct {
	ResID        string          `json:"resID"`
	ResPath      string          `json:"resPath"`
	ResType      string          `json:"resType"`
	ResFormat    []string        `json:"resFormat"`
	IsCollection bool            `json:"isCollection"`
	Variables    []*DataVariable `json:"columns"`
}

type DataSchema struct {
	Properties    *DataSchemaProperties `json:"about"`
	DataResources []*DataResource       `json:"dataResources"`
}

type DataSchemaProperties struct {
	DatasetID       string `json:"datasetID"`
	DatasetName     string `json:"datasetName"`
	Description     string `json:"description"`
	Citation        string `json:"citation"`
	License         string `json:"license"`
	Source          string `json:"source"`
	SourceURI       string `json:"sourceURI"`
	ApproximateSize string `json:"approximateSize"`
	Redacted        bool   `json:"redacted"`
	SchemaVersion   string `json:"datasetSchemaVersion"`
}

type DataVariable struct {
	ColName  string   `json:"colName"`
	Role     []string `json:"role"`
	ColType  string   `json:"colType"`
	ColIndex int      `json:"colIndex"`
}

type DescribeSolutionRequest struct {
	SolutionId           string   `protobuf:"bytes,1,opt,name=solution_id,json=solutionId,proto3" json:"solution_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type DescribeSolutionResponse struct {
	// A pipeline description. Nested pipelines should be fully described as well.
	Pipeline *PipelineDescription `protobuf:"bytes,1,opt,name=pipeline,proto3" json:"pipeline,omitempty"`
	// Each step in a pipeline has description. These are reported in the order of steps in
	// the pipeline.
	Steps                []*StepDescription `protobuf:"bytes,2,rep,name=steps,proto3" json:"steps,omitempty"`
	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
	XXX_unrecognized     []byte             `json:"-"`
	XXX_sizecache        int32              `json:"-"`
}

type EndSearchSolutionsRequest struct {
	SearchId             string   `protobuf:"bytes,1,opt,name=search_id,json=searchId,proto3" json:"search_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type EndSearchSolutionsResponse struct {
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type EvaluationMethod int32

type FitSolutionRequest struct {
	SolutionId string   `protobuf:"bytes,1,opt,name=solution_id,json=solutionId,proto3" json:"solution_id,omitempty"`
	Inputs     []*Value `protobuf:"bytes,2,rep,name=inputs,proto3" json:"inputs,omitempty"`
	// List of data references of step outputs which should be exposed to the TA3 system.
	// If you want to expose outputs of the whole pipeline (e.g., predictions themselves),
	// list them here as well. These can be recursive data references like
	// "steps.1.steps.4.produce" to point to an output inside a sub-pipeline.
	// Systems only have to support exposing final outputs and can return "ValueError" for
	// intermediate values.
	ExposeOutputs []string `protobuf:"bytes,3,rep,name=expose_outputs,json=exposeOutputs,proto3" json:"expose_outputs,omitempty"`
	// Which value types should be used for exposing outputs. If not provided, the allowed
	// value types list from the search solutions call is used instead.
	// The order is important as TA2 system will try value types in order until one works out,
	// or an error will be returned instead of the value. An error exposing a value does not
	// stop the overall process.
	ExposeValueTypes []ValueType `` /* 134-byte string literal not displayed */
	// Any users associated with this call itself. Optional.
	Users                []*SolutionRunUser `protobuf:"bytes,5,rep,name=users,proto3" json:"users,omitempty"`
	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
	XXX_unrecognized     []byte             `json:"-"`
	XXX_sizecache        int32              `json:"-"`
}

type FitSolutionResponse struct {
	RequestId            string   `protobuf:"bytes,1,opt,name=request_id,json=requestId,proto3" json:"request_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type GetFitSolutionResultsRequest struct {
	RequestId            string   `protobuf:"bytes,1,opt,name=request_id,json=requestId,proto3" json:"request_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type GetFitSolutionResultsResponse struct {
	// Overall process progress.
	Progress *Progress `protobuf:"bytes,1,opt,name=progress,proto3" json:"progress,omitempty"`
	// The list contains progress for each step in the pipeline, in order.
	// List can be incomplete while the process is in progress. Systems can provide
	// steps only at the end (when "progress" equals COMPLETED) and not during running.
	Steps []*StepProgress `protobuf:"bytes,2,rep,name=steps,proto3" json:"steps,omitempty"`
	// A mapping between data references of step outputs and values.
	ExposedOutputs map[string]*Value `` /* 191-byte string literal not displayed */
	// The fitted solution ID, once progress = COMPLETED.
	FittedSolutionId     string   `protobuf:"bytes,4,opt,name=fitted_solution_id,json=fittedSolutionId,proto3" json:"fitted_solution_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type GetProduceSolutionResultsRequest struct {
	RequestId            string   `protobuf:"bytes,1,opt,name=request_id,json=requestId,proto3" json:"request_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type GetProduceSolutionResultsResponse struct {
	// Overall process progress.
	Progress *Progress `protobuf:"bytes,1,opt,name=progress,proto3" json:"progress,omitempty"`
	// The list contains progress for each step in the pipeline, in order.
	// List can be incomplete while the process is in progress. Systems can provide
	// steps only at the end (when "progress" equals COMPLETED) and not during running.
	Steps []*StepProgress `protobuf:"bytes,2,rep,name=steps,proto3" json:"steps,omitempty"`
	// A mapping between data references of step outputs and values.
	ExposedOutputs       map[string]*Value `` /* 191-byte string literal not displayed */
	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
	XXX_unrecognized     []byte            `json:"-"`
	XXX_sizecache        int32             `json:"-"`
}

type GetScoreSolutionResultsRequest struct {
	RequestId            string   `protobuf:"bytes,1,opt,name=request_id,json=requestId,proto3" json:"request_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type GetScoreSolutionResultsResponse struct {
	// Overall process progress.
	Progress *Progress `protobuf:"bytes,1,opt,name=progress,proto3" json:"progress,omitempty"`
	// List of score results. List can be incomplete while the process is in progress.
	Scores               []*Score `protobuf:"bytes,2,rep,name=scores,proto3" json:"scores,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type GetSearchSolutionsResultsRequest struct {
	SearchId             string   `protobuf:"bytes,1,opt,name=search_id,json=searchId,proto3" json:"search_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type GetSearchSolutionsResultsResponse struct {
	// Overall process progress, not progress per solution. While solutions are being found and
	// returned, or scores computed and updated, progress state should be kept at "RUNNING".
	Progress *Progress `protobuf:"bytes,1,opt,name=progress,proto3" json:"progress,omitempty"`
	// A measure of progress during search. It can be any number of internal steps or
	// actions a TA2 is doing during search. It can be even number of how many candidate
	// solutions were already examined. It does not even have to be an integer.
	// How regularly a change to this number is reported to TA3 is left to TA2's discretion,
	// but a rule of thumb is at least once a minute if the number changes.
	DoneTicks float64 `protobuf:"fixed64,2,opt,name=done_ticks,json=doneTicks,proto3" json:"done_ticks,omitempty"`
	// If TA2 knows how many internal steps or actions are there, it can set this field.
	// This can also be updated through time if more (or even less) internal steps or
	// actions are determined to be necessary. If this value is non-zero, then it should
	// always hold that "done_ticks" <= "all_ticks".
	AllTicks   float64 `protobuf:"fixed64,3,opt,name=all_ticks,json=allTicks,proto3" json:"all_ticks,omitempty"`
	SolutionId string  `protobuf:"bytes,4,opt,name=solution_id,json=solutionId,proto3" json:"solution_id,omitempty"`
	// Internal score for this solution between 0.0 and 1.0 where 1.0 is the highest score.
	// There is no other meaning to this score and it does not necessary depend on scores
	// listed in the problem description. Optional.
	// Because this field is optional, if omitted the default value will be 0. But 0 is a
	// valid value for this field. Because of that you should never omit the field.
	// If you do not have internal score to provide, use NaN for the value of this field
	// to signal that. When solution cannot be scored (i.e., the fully specified pipeline
	// used as a template is not a standard pipeline) internal score does not have to be
	// provided.
	InternalScore float64 `protobuf:"fixed64,5,opt,name=internal_score,json=internalScore,proto3" json:"internal_score,omitempty"`
	// TA2 might be able to provide more meaningful scores as well, depending on its
	// approach to solution search. Moreover, even the same TA2 might not use the same scoring
	// approach for all of its solutions. Optional. When solution cannot be scored (i.e., the
	// fully specified pipeline used as a template is not a standard pipeline) score does
	// not have to be provided.
	Scores               []*SolutionSearchScore `protobuf:"bytes,6,rep,name=scores,proto3" json:"scores,omitempty"`
	XXX_NoUnkeyedLiteral struct{}               `json:"-"`
	XXX_unrecognized     []byte                 `json:"-"`
	XXX_sizecache        int32                  `json:"-"`
}

type HelloRequest struct {
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type HelloResponse struct {
	// Some string identifying the name and version of the TA2 system.
	UserAgent string `protobuf:"bytes,1,opt,name=user_agent,json=userAgent,proto3" json:"user_agent,omitempty"`
	// Shall be set to "protocol_version" above.
	Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
	// List of value types that a TA3 system can use to communicate values to a TA2 system.
	// The order is important as a TA3 system should try value types in order until one works
	// out, or an error will be returned instead of the value.
	AllowedValueTypes []ValueType `` /* 137-byte string literal not displayed */
	// List of API extensions that a TA2 supports.
	SupportedExtensions  []string `protobuf:"bytes,4,rep,name=supported_extensions,json=supportedExtensions,proto3" json:"supported_extensions,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type ListPrimitivesRequest struct {
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type ListPrimitivesResponse struct {
	Primitives           []*Primitive `protobuf:"bytes,1,rep,name=primitives,proto3" json:"primitives,omitempty"`
	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
	XXX_unrecognized     []byte       `json:"-"`
	XXX_sizecache        int32        `json:"-"`
}

type LoadFittedSolutionRequest struct {
	// An URI pointing to a directory containing a fitted solution.
	FittedSolutionUri    string   `protobuf:"bytes,1,opt,name=fitted_solution_uri,json=fittedSolutionUri,proto3" json:"fitted_solution_uri,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type LoadFittedSolutionResponse struct {
	// Fitted solution id loaded.
	FittedSolutionId     string   `protobuf:"bytes,1,opt,name=fitted_solution_id,json=fittedSolutionId,proto3" json:"fitted_solution_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type LoadSolutionRequest struct {
	// An URI pointing to a directory containing a solution saved.
	SolutionUri          string   `protobuf:"bytes,1,opt,name=solution_uri,json=solutionUri,proto3" json:"solution_uri,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type LoadSolutionResponse struct {
	// Id of solution which was loaded.
	SolutionId           string   `protobuf:"bytes,1,opt,name=solution_id,json=solutionId,proto3" json:"solution_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type NullValue int32

type PerformanceMetric int32

type PipelineContext int32

type PipelineDescription struct {
	// TA2: UUID of the pipeline. Templates do not have IDs. But TA3 might provide it for a fully
	// specified pipeline. It does not necessary have to match "solution_id" from
	// "ListSolutionsResponse" and other related messages. Those IDs are about whole solutions
	// (pipeline, potentially fitted, with set hyper-parameters). This here ID is about this
	// particular ID description.
	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
	// "schema" field is not needed because it is fixed by the TA2-TA3 protocol version.
	// System which generated a pipeline or a template. Optional.
	Source *PipelineSource `protobuf:"bytes,2,opt,name=source,proto3" json:"source,omitempty"`
	// TA2: Timestamp when created. Templates do not have this timestamp. TA3 might provide it for
	// a fully specified pipeline.
	Created *timestamp.Timestamp `protobuf:"bytes,3,opt,name=created,proto3" json:"created,omitempty"`
	// TODO: Deprecated. Remove.
	Context PipelineContext `protobuf:"varint,4,opt,name=context,proto3,enum=PipelineContext" json:"context,omitempty"` // Deprecated: Do not use.
	// Human friendly name of the pipeline. For templates it can be a hint to
	// TA2 how to name found pipelines. Optional.
	Name string `protobuf:"bytes,5,opt,name=name,proto3" json:"name,omitempty"`
	// Human friendly description of the pipeline. Optional.
	Description string `protobuf:"bytes,6,opt,name=description,proto3" json:"description,omitempty"`
	// List of users associated with the creation of the template and consequently of the pipeline.
	// TA2 can store this information into metalearning database. TA2 is not really expected to use
	// this information during pipeline search. TA2 should not have to understand TA3 users, mapping
	// between users and pipeline search IDs is something TA3 should handle. Optional.
	Users []*PipelineDescriptionUser `protobuf:"bytes,7,rep,name=users,proto3" json:"users,omitempty"`
	// In most cases inputs are datasets. But if TA3 wants to jut run a primitive, it can send a
	// template with only that primitive in the template, and then pass anything to its inputs during
	// execution. Here, we are describing possible inputs to the pipeline or template. Order matters.
	Inputs []*PipelineDescriptionInput `protobuf:"bytes,8,rep,name=inputs,proto3" json:"inputs,omitempty"`
	// Available outputs of the pipeline or template.
	Outputs []*PipelineDescriptionOutput `protobuf:"bytes,9,rep,name=outputs,proto3" json:"outputs,omitempty"`
	// Steps defining the pipeline.
	Steps                []*PipelineDescriptionStep `protobuf:"bytes,10,rep,name=steps,proto3" json:"steps,omitempty"`
	Digest               string                     `protobuf:"bytes,11,opt,name=digest,proto3" json:"digest,omitempty"`
	XXX_NoUnkeyedLiteral struct{}                   `json:"-"`
	XXX_unrecognized     []byte                     `json:"-"`
	XXX_sizecache        int32                      `json:"-"`
}

type PipelineDescriptionInput struct {
	// Human friendly name of the input.
	Name                 string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type PipelineDescriptionOutput struct {
	// Human friendly name of the output.
	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	// Data reference, probably of an output of a step.
	Data                 string   `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

type PipelineDescriptionStep struct {
	// Types that are valid to be assigned to Step:
	//	*PipelineDescriptionStep_Primitive
	//	*PipelineDescriptionStep_Pipeline
	//	*PipelineDescriptionStep_Placeholder
	Step                 isPipelineDescriptionStep_Step `protobuf_oneof:"step"`
	XXX_NoUnkeyedLiteral struct{}                       `json:"-"`
	XXX_unrecognized     []byte                         `json:"-"`
	XXX_sizecache        int32                          `json:"-"`
}

type PipelineDescriptionStep_Pipeline struct {
	Pipeline *SubpipelinePipelineDescriptionStep `protobuf:"bytes,2,opt,name=pipeline,proto3,oneof"`
}

type PipelineDescriptionStep_Placeholder struct {
	Placeholder *PlaceholderPipelineDescriptionStep `protobuf:"bytes,3,opt,name=placeholder,proto3,oneof"`
}

type PipelineDescriptionStep_Primitive struct {
	Primitive *PrimitivePipelineDescriptionStep `protobuf:"bytes,1,opt,name=primitive,proto3,oneof"`
}

type PipelineDescriptionUser struct {
	// Globally unique ID for this user. It can be opaque, but it should identify the same user
	// across sessions. Consider using UUID variant 5 with namespace set to the name of your system
	// and name to an ID in your system's database. It does not have to map to any real ID, just
	// that it is possible to connect multiple pipelines/templates by the same user together,
	// if necessary.
	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
	// A natural language description of what the user did to be on the list, e.g., "Picked
	// a pipeline from a list of pipelines.".
	Reason string `protobuf:"bytes,2,opt,name=reason,proto3" json:"reason,omitempty"`
	// A natural language description by the user of what the user did,
	// e.g., "I picked a pipeline because it looks short in comparison with others.".
	Rationale            string   `protobuf:"bytes,3,opt,name=rationale,proto3" json:"rationale,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}