labelWidget label; interactive widgets also use it for ID generation. A ## suffix can distinguish IDs without displaying the suffix.
hintPlaceholder text shown when the input buffer is empty.
bufWritable NUL-terminated UTF-8 Uint8Array; edits update its bytes in place.
buf_sizeWritable capacity in bytes including the final NUL; must not exceed buf.byteLength.
flagsImGuiInputTextFlags options controlling this operation; combine compatible flag bits with |.
Normally true when text changes; with ImGuiInputTextFlags.EnterReturnsTrue, true reports Enter validation instead. Inspect the buffer for the edited bytes.
Display a single-line text field with a hint shown when the field is empty.