/** Named threat-profile preset identifier. */
export type PresetName = 'family' | 'field-ops' | 'enterprise' | 'event';
/**
 * A threat-profile preset — pre-configured group settings optimised for
 * a specific risk level and use case.
 */
export interface GroupPreset {
    /** Words per verification challenge. */
    wordCount: 1 | 2 | 3;
    /** Rotation interval in seconds. Must be a positive integer. */
    rotationInterval: number;
    /** Human-readable description of the preset's trade-offs. */
    description: string;
}
/**
 * Built-in threat-profile presets.
 *
 * | Preset       | Words | Rotation | Use case                           |
 * |--------------|-------|----------|------------------------------------|
 * | `family`     | 1     | 7 days   | Casual family/friend verification  |
 * | `field-ops`  | 2     | 24 hours | Journalism, activism, field work   |
 * | `enterprise` | 2     | 48 hours | Corporate incident response        |
 * | `event`      | 1     | 4 hours  | Conferences, festivals, meetups    |
 */
export declare const PRESETS: Readonly<Record<PresetName, Readonly<GroupPreset>>>;
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