Builder for RON AST's
Create a tuple with the specified child values
Create an identifier with the specified name
Create a raw identifier with the specified name
Create a name value with a specified name and value.
Create a named value with the specified name and value.
Create a struct with a name and no body.
Create a tuple struct with the specified name and elements.
Create a named value struct with the specified name, and body.
Create a map item with the specified key and value. Typically the key should be a string.
Create a map with the specified values.
Create a list with the specified values.
Create a range with the specified values.
Create a document with the specified element.
A Ron None.