EncodeStructPayload takes a native Go struct and returns a marshaled ExternalConfigurationPayload proto, containing a Schema representation of the original type and the original value encoded as a Row.

Expand expands an unexpanded graph.ExternalTransform as a graph.ExpandedTransform and assigns it to the ExternalTransform's Expanded field.

ResolveArtifacts acquires all dependencies for a cross-language transform.

ResolveArtifactsWithConfig acquires all dependencies for cross-language transforms, but with some additional configuration to behavior.

ResolveConfig contains fields for configuring the behavior for resolving artifacts.