import { SecurityState } from '../types/security-state-type.js';
import type { Mode } from '../types/mode-type.js';
/** Converts a SecurityState value to its human-readable mode string. */
export declare function stateToMode(state: SecurityState | string): Mode;
/** Converts a mode string to its corresponding SecurityState value (-1 if unknown). */
export declare function modeToState(mode: string): SecurityState;
/** Capitalises the first letter of a string. */
export declare function capitalise(s: string): string;