import { FieldPath, FieldValues, RegisterOptions } from 'react-hook-form';
import { ButtonProps } from "../../../mantine";
import { HealthToolFormWrapperProps } from "../healthTools/formWrapper";
export type BmiObjective = 'lose-weight' | 'maintain-weight' | 'gain-weight';
export type BmiUnitSystem = 'metric' | 'imperial';
export type BmiFormValue = {
    gender?: 'male' | 'female';
    age?: number;
    weight?: number | '';
    height?: number | '';
    objective?: BmiObjective;
    bmi?: number;
    unit?: BmiUnitSystem;
    question1?: boolean;
    question2?: boolean;
    newsletter?: boolean;
};
export type BmiFormValueKeys = keyof BmiFormValue;
export type Rule = Omit<RegisterOptions<FieldValues, FieldPath<FieldValues>>, 'valueAsNumber' | 'valueAsDate' | 'setValueAs' | 'disabled'>;
export type BMIUnit = {
    minAge: number;
    maxAge: number;
    minHeight: number;
    maxHeight: number;
    minWeight: number;
    maxWeight: number;
    heightConvert: (val: number) => number;
    weightConvert: (val: number) => number;
};
export type BmiFormProps = {
    value?: BmiFormValue;
    onChange?: (value: BmiFormValue) => void;
    onSubmit?: (value: BmiFormValue) => void;
    className?: string;
    bmiGenerated: Record<keyof BmiFormValue, {
        label: string;
        rule?: Rule | undefined;
    }>;
    bmiUnit: BMIUnit;
    /**
     * When false, BmiForm behaves like the previous fixed-unit version:
     * no unit picker UI, and conversion uses `bmiUnit.heightConvert/weightConvert`.
     */
    enableUnitPicker?: boolean;
    defaultUnitSystem?: BmiUnitSystem;
    submitProps?: ButtonProps;
    withAdditionalQuestion?: boolean;
    isMobile?: boolean;
} & HealthToolFormWrapperProps;
export declare function getBmi({ weight: weightProps, height: heightProps, }: {
    weight: number;
    height: number;
}): number;