`type 'a t````=`

`|` `Label_declaration : Ppxlib__.Import.label_declaration t`
`|` `Constructor_declaration : Ppxlib__.Import.constructor_declaration t`
`|` `Type_declaration : Ppxlib__.Import.type_declaration t`
`|` `Type_extension : Ppxlib__.Import.type_extension t`
`|` `Extension_constructor : Ppxlib__.Import.extension_constructor t`
`|` `Pattern : Ppxlib__.Import.pattern t`
`|` `Core_type : Ppxlib__.Import.core_type t`
`|` `Expression : Ppxlib__.Import.expression t`
`|` `Value_description : Ppxlib__.Import.value_description t`
`|` `Class_type : Ppxlib__.Import.class_type t`
`|` `Class_type_field : Ppxlib__.Import.class_type_field t`
`|` `Class_infos : _ Ppxlib__.Import.class_infos t`
`|` `Class_expr : Ppxlib__.Import.class_expr t`
`|` `Class_field : Ppxlib__.Import.class_field t`
`|` `Module_type : Ppxlib__.Import.module_type t`
`|` `Module_declaration : Ppxlib__.Import.module_declaration t`
`|` `Module_type_declaration : Ppxlib__.Import.module_type_declaration t`
`|` `Open_description : Ppxlib__.Import.open_description t`
`|` `Include_infos : _ Ppxlib__.Import.include_infos t`
`|` `Module_expr : Ppxlib__.Import.module_expr t`
`|` `Value_binding : Ppxlib__.Import.value_binding t`
`|` `Module_binding : Ppxlib__.Import.module_binding t`
`|` `Pstr_eval : Ppxlib__.Import.structure_item t`
`|` `Pstr_extension : Ppxlib__.Import.structure_item t`
`|` `Psig_extension : Ppxlib__.Import.signature_item t`
`|` `Rtag : Ppxlib__.Import.row_field t`
`|` `Object_type_field : (Ppxlib__.Import.string Ppxlib__.Import.loc * Ppxlib__.Import.attributes * Ppxlib__.Import.core_type) t`

``
`val label_declaration : Ppxlib__.Import.label_declaration t`
`val constructor_declaration : Ppxlib__.Import.constructor_declaration t`
`val type_declaration : Ppxlib__.Import.type_declaration t`
`val type_extension : Ppxlib__.Import.type_extension t`
`val extension_constructor : Ppxlib__.Import.extension_constructor t`
`val pattern : Ppxlib__.Import.pattern t`
`val core_type : Ppxlib__.Import.core_type t`
`val expression : Ppxlib__.Import.expression t`
`val value_description : Ppxlib__.Import.value_description t`
`val class_type : Ppxlib__.Import.class_type t`
`val class_type_field : Ppxlib__.Import.class_type_field t`
`val class_infos : _ Ppxlib__.Import.class_infos t`
`val class_expr : Ppxlib__.Import.class_expr t`
`val class_field : Ppxlib__.Import.class_field t`
`val module_type : Ppxlib__.Import.module_type t`
`val module_declaration : Ppxlib__.Import.module_declaration t`
`val module_type_declaration : Ppxlib__.Import.module_type_declaration t`
`val open_description : Ppxlib__.Import.open_description t`
`val include_infos : _ Ppxlib__.Import.include_infos t`
`val module_expr : Ppxlib__.Import.module_expr t`
`val value_binding : Ppxlib__.Import.value_binding t`
`val module_binding : Ppxlib__.Import.module_binding t`
`val pstr_eval : Ppxlib__.Import.structure_item t`
`val pstr_extension : Ppxlib__.Import.structure_item t`
`val psig_extension : Ppxlib__.Import.signature_item t`
`val rtag : Ppxlib__.Import.row_field t`
`val object_type_field : (Ppxlib__.Import.string Ppxlib__.Import.loc * Ppxlib__.Import.attributes * Ppxlib__.Import.core_type) t`