The Document of which this DocumentSubstring is a part.
The substring of the Document encompassed by this DocumentSubstring.
The character offset into the Document.
The character offset into the Document.string at which this DocumentSubstring is over. In other words, the last character of the DocumentSubstring is Document.string(this.stringEnd-1).
The character offset into the Document.
The character offset into the Document.string at which this DocumentSubstring begins.
A portion of the string contents of a Document.