Adds a floating point value to the currently open object member or array.
If called after json.builder.Builder.setMemberName, sets the given value
as the value of the current member in the open object; otherwise, the value
is appended to the elements of the open array.
Adds a floating point value to the currently open object member or array.
If called after json.builder.Builder.setMemberName, sets the given value as the value of the current member in the open object; otherwise, the value is appended to the elements of the open array.
See also: json.builder.Builder.addValue