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Class
LengthLimitBehavior
sealed
Inherits:InputBehavior
Caps the field length and publishes the cap for a counter to show. Excess input is truncated on a boundary (never splitting a surrogate pair, multi-byte codepoint, or grapheme cluster); input with no room left is rejected; deletions always pass. Unit chooses what a unit of length means — by default Graphemes, so a family emoji counts as one.