import { FactoryComponent, Attributes } from 'mithril';
/** Likert scale component size options */
export type LikertScaleSize = 'small' | 'medium' | 'large';
/** Likert scale component density options */
export type LikertScaleDensity = 'compact' | 'standard' | 'comfortable';
/** Likert scale layout options */
export type LikertScaleLayout = 'horizontal' | 'vertical' | 'responsive';
/** Likert scale component attributes */
export interface LikertScaleAttrs<T extends number = number> extends Attributes {
    /** Minimum scale value (default: 1) */
    min?: number;
    /** Maximum scale value (default: 5) */
    max?: number;
    /** Step size for scale increments (default: 1) */
    step?: number;
    /** Current value for controlled mode */
    value?: T;
    /** Initial value for uncontrolled mode */
    defaultValue?: T;
    /** Callback when value changes */
    onchange?: (value: T) => void;
    /** Question/prompt text */
    label?: string;
    /** Helper text description */
    description?: string;
    /** Anchor label for minimum value (e.g., "Very Unhappy") */
    startLabel?: string;
    /** Anchor label for middle value (optional, e.g., "Neutral") */
    middleLabel?: string;
    /** Anchor label for maximum value (e.g., "Very Happy") */
    endLabel?: string;
    /** Whether to display numeric values (default: false) */
    showNumbers?: boolean;
    /** Whether to show tooltips on hover (default: false) */
    showTooltips?: boolean;
    /** Custom tooltip labels for each value */
    tooltipLabels?: string[];
    /** Density variant (default: 'standard') */
    density?: LikertScaleDensity;
    /** Size variant (default: 'medium') */
    size?: LikertScaleSize;
    /** Layout mode (default: 'responsive' = horizontal on desktop, vertical on mobile) */
    layout?: LikertScaleLayout;
    /** HTML ID for the component */
    id?: string;
    /** Name for form submission */
    name?: string;
    /** Whether the component is disabled */
    disabled?: boolean;
    /** Whether the component is read-only */
    readonly?: boolean;
    /** If true, add a mandatory '*' after the label */
    isMandatory?: boolean;
    /** ARIA label for the component */
    'aria-label'?: string;
    /** ARIA label for the component (camelCase alternative) */
    ariaLabel?: string;
    /** ARIA labelledby reference */
    'aria-labelledby'?: string;
    /** Function to get label text for accessibility */
    getLabelText?: (value: number, min: number, max: number) => string;
    /** Class name for the container */
    className?: string;
    /** Additional CSS styles */
    style?: any;
    /** Use CSS grid for label/scale alignment in multi-question surveys (default: false) */
    alignLabels?: boolean;
}
/** Create a LikertScale component */
export declare const LikertScale: FactoryComponent<LikertScaleAttrs>;