Content before the BEGIN marker (trimmed).
OptionalblockCharacter range of the whole block, BEGIN marker through END marker
(end exclusive), when found.
Index just past the END marker's closing -->.
Index of the BEGIN marker's first character.
Whether a valid BEGIN/END marker pair was found.
Raw managed block content (between markers, excluding markers).
Content after the END marker (trimmed), or the whole file if not found.
Version stamp from the BEGIN marker, if present.
Result of parsing a managed block from file content.