NativeMessageHeaderAccessor.getFirstNativeHeader

Undocumented in source. Be warned that the author may not have intended to support it.
  1. string getFirstNativeHeader(string headerName)
  2. string getFirstNativeHeader(string headerName, Map!(string, Object) headers)
    class NativeMessageHeaderAccessor
    static
    string
    getFirstNativeHeader
    (
    string headerName
    ,
    Map!(string, Object) headers
    )

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