linkage_stmts : (import_stmt stmtsep* | include_stmt stmtsep*)*;
meta_stmts : (organization_stmt stmtsep* | contact_stmt stmtsep* | description_stmt stmtsep* | reference_stmt stmtsep*)*;
submodule_header_stmts : (yang_version_stmt stmtsep* | belongs_to_stmt stmtsep*)+ ;
module_header_stmts : (yang_version_stmt stmtsep* | namespace_stmt stmtsep* | prefix_stmt stmtsep*)+ ;
linkage_stmts : (import_stmt stmtsep* | include_stmt stmtsep*)*;
meta_stmts : (organization_stmt stmtsep* | contact_stmt stmtsep* | description_stmt stmtsep* | reference_stmt stmtsep*)*;
submodule_header_stmts : (yang_version_stmt stmtsep* | belongs_to_stmt stmtsep*)+ ;
module_header_stmts : (yang_version_stmt stmtsep* | namespace_stmt stmtsep* | prefix_stmt stmtsep*)+ ;