pub fn export_step(content: &[u8], opts: &StepOptions) -> Result<String>Expand description
Export the parsed model in content as a STEP/IFC string.
Errs when a source entity’s (possibly renamed) type has no representation
at all in an explicit opts.schema target and is not an IfcRoot
subtype either — see [crate::schema_unrepresented] (#5116).