.assembly extern mscorlib { } .assembly 'custom-attrs-01' { } .class interface public abstract auto ansi I1 { .custom instance void [mscorlib]System.Reflection.DefaultMemberAttribute::.ctor(string) = {bytearray(55 05)} .method public hidebysig newslot specialname abstract virtual instance int32 get_A(int32 x) cil managed { } } .class interface public abstract auto ansi I2 { .custom instance void [mscorlib]System.Reflection.DefaultMemberAttribute::.ctor(string) = {string('B')} .method public hidebysig newslot specialname abstract virtual instance int32 get_B(int32 x) cil managed { } }