Apply all presets, e.g.

DefineDefaultTarget adds a target named "default" to the configuration if none have been defined.

DefineDefaultWorkspacePaths sets workspace paths if they aren't already set.

DefineDefaultWorkspaceRoot defines the default workspace root path.

ExpandWorkspaceRoot expands ~ if present in the workspace root.

InitializeURLs makes sure the URL field of each resource is configured.

InitializeVariables initializes nil variables to their corresponding zero values.

PopulateCurrentUser sets the `current_user` property on the workspace.

PrependWorkspacePrefix prepends the workspace root path to all paths in the bundle.

RewriteWorkspacePrefix finds any strings in bundle configration that have workspace prefix plus workspace path variable used and removes workspace prefix from it.

SelectDefaultTarget merges the default target into the root configuration.

SelectTarget merges the specified target into the root configuration.

This mutator does two things: 1.

SyncDefaultPath configures the default sync path to be equal to the bundle root.

SyncInferRoot is a mutator that infers the root path of all files to synchronize by looking at the paths in the sync configuration.

TranslatePaths converts paths to local notebook files into paths in the workspace file system.