import { type VariantProps } from 'class-variance-authority';
import { type InsertPayload, type InsertVariant, type InsertMode } from '../_shared/insert-result';
import { type UnitSystem, type BmiCategory } from './bmi';
export interface BmiResult {
    /** BMI in kg/m². */
    bmi: number;
    /** WHO category the BMI falls into. */
    category: BmiCategory;
}
/**
 * Curated imperative handle for agent / external automation. Reads/writes the
 * canonical metric measurements and the WHO result, and switches the display
 * unit system. Never exposes patient identity. Consumed by the
 * `bmi-calculator.agent.ts` adapter; the public `ref` stays the DOM element.
 */
export interface BmiCalculatorHandle {
    /** Active display unit system. */
    getUnitSystem: () => UnitSystem;
    /** Switch the display unit system (entered figures are converted, not lost). */
    setUnitSystem: (next: UnitSystem) => void;
    /** Canonical metric snapshot — height in cm and weight in kg, or null. */
    getInputs: () => {
        heightCm: number | null;
        weightKg: number | null;
    };
    /** Set height (cm) and/or weight (kg) in canonical metric units. */
    setMetric: (next: {
        heightCm?: number | null;
        weightKg?: number | null;
    }) => void;
    /** Current computed result, or null until both inputs are valid. */
    getResult: () => BmiResult | null;
    /** Clear height and weight. */
    reset: () => void;
}
declare const rootVariants: (props?: ({
    width?: "auto" | "full" | null | undefined;
} & import("class-variance-authority/types").ClassProp) | undefined) => string;
export interface BmiCalculatorProps extends VariantProps<typeof rootVariants> {
    /** Initial unit system. Defaults to `'metric'`. */
    defaultUnitSystem?: UnitSystem;
    /** Fires whenever a valid BMI can be computed (and with `null` when it can't). */
    onResultChange?: (result: BmiResult | null) => void;
    /** When provided, shows an "Insert" button that emits the result for an editor. */
    onInsert?: (payload: InsertPayload) => void;
    /**
     * Which verb the result button performs. Defaults to `'insert'`.
     * Use `'copy'` in an app-shell surface (no editor to insert into) — the
     * button writes the result to the clipboard as a multi-format `ClipboardItem`.
     */
    insertVariant?: InsertVariant;
    /** `copy` variant only — fired after a successful clipboard write. */
    onCopy?: (mode: InsertMode) => void;
    /** `copy` variant only — fired if the clipboard write can't proceed. */
    onError?: (error: unknown) => void;
    /**
     * Brand wordmark printed in the inserted/copied result-card footer.
     * Omitted → no brand line (and no footer hairline); a string → that custom
     * brand; `false` → no brand line. Brand is opt-in.
     */
    insertBrand?: string | false;
    /** Opaque instance id, emitted as `data-component-id`. */
    id?: string;
    /** Extra class names on the wrapper. */
    className?: string;
}
export declare const BmiCalculator: import("react").ForwardRefExoticComponent<BmiCalculatorProps & import("react").RefAttributes<HTMLDivElement>>;
export {};
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