OptionalModifiersOptional keyboard modifiers to hold while pressing Key. When set, the adapter composes
a single chord (e.g. Modifiers: ['ControlOrMeta'] + Key: 'a' → press ControlOrMeta+a).
Empty / omitted presses Key on its own. Provided as a structured alternative to embedding the
combination directly in Key — both are supported.
ReadonlyType
Key or key combination (e.g., "Enter", "Shift+A", "ControlOrMeta+C")