The kinds of vertical blocks that make up the editor layout.
A line of text from the document.
A block widget positioned before a line.
A block widget positioned after a line.
A block widget that replaces a range of lines.
Returns a representation of an immutable list of all enum entries, in the order they're declared.
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Returns an array containing the constants of this enum type, in the order they're declared.