A string representation of this request header.
A string representation of this request header.
Returns the result of the given function to this header if it is an entity header, otherwise returns the given value.
Returns the result of the given function to this header if it is an entity header, otherwise returns the given value.
Returns the result of the given function to this header if it is a general header, otherwise returns the given value.
Returns the result of the given function to this header if it is a general header, otherwise returns the given value.
Returns true if this header is an entity header,
false otherwise.
Returns true if this header is an entity header,
false otherwise.
Returns true if this header is a general header,
false otherwise.
Returns true if this header is a general header,
false otherwise.
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