1. Dart
2. dart:io
3. HeaderValue
4. toString abstract method

##### HeaderValue class

1. Constructors
2. HeaderValue
3. Properties
4. parameters
5. value
6. hashCode
7. runtimeType
8. Methods
9. toString
10. noSuchMethod
11. Operators
12. operator ==
13. Static methods
14. parse

# toString method

String toString ()
override

Returns the formatted string representation in the form:

    value; parameter1=value1; parameter2=value2

## Implementation

    String toString();