Distinguishes different ways in which positions can be mapped.
Map a position to a valid new position, even when its context was deleted.
Return null if deletion happens across the position.
Return null if the character before the position is deleted.
Return null if the character after the position is deleted.
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.