/// {{ doc }}.
pub fn {{ method_name }}(
self: *{{ service_name }},
callback: *const fn (*anyopaque, [*:0]const u8) callconv(.C) [*:0]u8,
context: *anyopaque{{ params_decl }}
) c_int {
const owner_ptr = self.owner orelse return 1;
return c.{{ c_fn }}(
@ptrCast(owner_ptr),
@ptrCast(callback),
context{{ args }}
);
}