export declare const STRENGTH_LABELS: string[];
/** Score a password 0-4 by length + character-class variety (pure). */
export declare function passwordStrength(v: string): number;
/** Reactive inputs are passed as getters so the core tracks live prop changes. */
export type PasswordInputConfig = {
    value: () => string;
    onChange?: (value: string) => void;
    placeholder?: () => string | undefined;
    disabled?: () => boolean;
    readonly?: () => boolean;
    autocomplete?: () => string | undefined;
    /** Accessible label for the reveal toggle when the value is hidden. */
    showLabel?: () => string | undefined;
    /** Accessible label for the reveal toggle when the value is shown. */
    hideLabel?: () => string | undefined;
    /** Strength labels indexed 0-4 (index 0 unused; 1..4 = weak..strong). */
    strengthLabels?: () => readonly string[];
    id?: () => string | undefined;
    invalid?: () => boolean;
    required?: () => boolean;
    error?: () => string | undefined;
    hint?: () => string | undefined;
    ariaLabel?: () => string | undefined;
};
export declare function createPasswordInput(config: PasswordInputConfig): {
    /** Whether the value is currently shown as plain text. */
    readonly revealed: boolean;
    /** Strength score, 0-4. */
    readonly strength: number;
    /** Human label for the strength score (localizable via `strengthLabels`). */
    readonly strengthLabel: string | undefined;
    toggle: () => boolean;
    /** Spread onto the text/password input element. */
    inputProps: () => {
        oninput: (e: Event) => void;
        'aria-invalid': "true" | undefined;
        'aria-required': "true" | undefined;
        'aria-describedby': string | undefined;
        'aria-label': string | undefined;
        id: string | undefined;
        value: string;
        type: "text" | "password";
        placeholder: string | undefined;
        disabled: boolean;
        readonly: boolean;
        autocomplete: AutoFill;
    };
    /** Spread onto the reveal (show/hide) toggle button. */
    toggleProps: () => {
        type: "button";
        'aria-label': string;
        'aria-pressed': boolean;
        disabled: boolean;
        tabindex: number;
        onclick: () => boolean;
    };
};
export type PasswordInputCore = ReturnType<typeof createPasswordInput>;