NewToTransformation returns a new *ToTransformation with the appropriate fields set.

NewWideToTransformation returns a new *WideToTransformation with the appropriate fields set.

ToKind is the kind for the `to` flux function.

DefaultFromAttributes is used to inject default attributes for the various from attributes.

RowMetric is a Metric.

ToOpSpec is the flux.OperationSpec for the `to` flux function.

ToProcedureSpec is the procedure spec for the `to` flux function.

WideToOpSpec is the flux.OperationSpec for the `to` flux function.

WideToProcedureSpec is the procedure spec for the `to` flux function.

WideToTransformation is the transformation for the `to` flux function.