/**
 * @rajeev02/app-shell — Form Engine + KYC
 * Dynamic forms, multi-step wizard, validation, Indian ID verification
 */
export type FieldType = "text" | "email" | "phone" | "number" | "password" | "select" | "multiselect" | "checkbox" | "radio" | "date" | "file" | "image" | "aadhaar" | "pan" | "ifsc" | "pincode" | "vpa" | "textarea" | "otp";
export interface FormField {
    id: string;
    type: FieldType;
    label: string;
    placeholder?: string;
    required?: boolean;
    defaultValue?: unknown;
    validation?: ValidationRule[];
    options?: {
        label: string;
        value: string;
    }[];
    maxSizeBytes?: number;
    acceptedTypes?: string[];
    dependsOn?: {
        fieldId: string;
        value: unknown;
    };
    helpText?: string;
    masked?: boolean;
}
export interface ValidationRule {
    type: "required" | "minLength" | "maxLength" | "pattern" | "email" | "phone" | "aadhaar" | "pan" | "ifsc" | "pincode" | "custom";
    value?: unknown;
    message: string;
    validator?: (value: unknown) => boolean;
}
export interface FormStep {
    id: string;
    title: string;
    description?: string;
    fields: FormField[];
}
export interface FormConfig {
    id: string;
    title: string;
    steps: FormStep[];
    onSubmit?: (data: Record<string, unknown>) => Promise<{
        success: boolean;
        error?: string;
    }>;
}
export interface FormState {
    currentStep: number;
    totalSteps: number;
    values: Record<string, unknown>;
    errors: Record<string, string>;
    touched: Record<string, boolean>;
    isSubmitting: boolean;
    isDirty: boolean;
}
export declare class FormEngine {
    private config;
    private state;
    constructor(config: FormConfig);
    setValue(fieldId: string, value: unknown): void;
    getValue(fieldId: string): unknown;
    getValues(): Record<string, unknown>;
    validateField(fieldId: string): string | null;
    validateCurrentStep(): boolean;
    nextStep(): boolean;
    prevStep(): boolean;
    submit(): Promise<{
        success: boolean;
        error?: string;
    }>;
    getState(): FormState;
    getCurrentStep(): FormStep;
    reset(): void;
}
/** Pre-built KYC form */
export declare function getKycFormConfig(): FormConfig;
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