{{#def.returnType}}
{{#def.argument}}
{{#def.callback}}
{{#def.members}}

{{
  var callback = extractAllCallbackMethod(it);
}}

{{~ getAllMethodMembers(it) :p:i }}

{{=idlType2CxxReturnType(p.idlType, it.refTypeMap)}} {{=it.name}}::{{=p.name}}({{=generateImplParameterList(p, it.refTypeMap)}}) {
{{=getCallbackHelperAssignmentString(p, '  ')}}
  // TODO(widl-nan): fill your code here
}

{{~}}