Melange_ppx_lib.Ast_external
let handleExternalInSig: Melange_compiler_libs.Ast_mapper.mapper => Melange_compiler_libs.Parsetree.value_description => Melange_compiler_libs.Parsetree.signature_item => Melange_compiler_libs.Parsetree.signature_item;
let handleExternalInStru: Melange_compiler_libs.Ast_mapper.mapper => Melange_compiler_libs.Parsetree.value_description => Melange_compiler_libs.Parsetree.structure_item => Melange_compiler_libs.Parsetree.structure_item;