import { Ref, ComputedRef } from 'vue';
export type WizardStepValidator = () => boolean | Promise<boolean>;
export type ValidationState = {
    index: number;
    valid: boolean;
};
export type WizardStep = {
    title: string;
    key?: string;
    validate?: WizardStepValidator;
};
export type WizardNavigation = {
    success: boolean;
    newIndex: number;
};
export type UseWizard = {
    steps: Ref<WizardStep[]>;
    currentStepIndex: Ref<number>;
    currentStep: Ref<WizardStep | undefined>;
    furthestStepIndex: Ref<number>;
    loading: Ref<boolean>;
    next: () => Promise<WizardNavigation>;
    previous: () => Promise<WizardNavigation>;
    goto: {
        (key: string): Promise<WizardNavigation>;
        (index: number): Promise<WizardNavigation>;
        (step: WizardStep): Promise<WizardNavigation>;
    };
    getStepIndex: {
        (key: string): number;
        (step: WizardStep): number;
    };
    getStep: {
        (key: string): WizardStep | undefined;
        (index: number): WizardStep | undefined;
    };
    setStep: (key: string, step: WizardStep) => void;
    isValid: (index?: number) => Promise<boolean>;
};
export type UseWizardStep = {
    wizard: UseWizard;
    step: ComputedRef<WizardStep>;
    defineValidate: (validate: WizardStepValidator) => void;
};