GetTerraformVersion obtains "installed" Terraform version which can inform what version of core schema to pick.

ObtainSchema obtains provider schemas via Terraform CLI.

ParseModuleManifest parses the "module manifest" which contains records of installed modules, e.g.

ParseProviderVersions is a job complimentary to [ObtainSchema] in that it obtains versions of providers/schemas from Terraform CLI's lock file.

ParseTerraformSources parses the NEW* "module manifest" which contains records of installed modules, e.g.