export type PdfFormValue = string | boolean | null;
export type PdfExistingFormFieldType = "text" | "checkbox" | "radio" | "dropdown" | "signature" | "unsupported";
export interface PdfFormFieldInfo {
    name: string;
    type: PdfExistingFormFieldType;
    value?: string | boolean | null;
    required: boolean;
    readOnly: boolean;
    options?: string[];
    maxLength?: number;
    widgetCount: number;
}
export interface PdfFormInspection {
    fields: PdfFormFieldInfo[];
    hasXfa: boolean;
    isEncrypted: boolean;
    hasSignatures: boolean;
    unsupported: string[];
}
export interface PdfFillExistingFormOptions {
    strict?: boolean;
    updateDefaultValues?: boolean;
    appearance?: "regenerate" | "needAppearances";
}
export interface PdfFormFillWarning {
    code: "appearance.need_appearances" | "appearance.fallback_font" | "field.unknown" | "field.readonly";
    field?: string;
    message: string;
}
export interface PdfFillExistingFormResult {
    buffer: Buffer;
    filled: string[];
    warnings: PdfFormFillWarning[];
    inspection: PdfFormInspection;
}
export declare function inspectExistingPdfForm(input: Buffer | Uint8Array): PdfFormInspection;
export declare function fillExistingPdfForm(input: Buffer | Uint8Array, values: Record<string, PdfFormValue>, options?: PdfFillExistingFormOptions): PdfFillExistingFormResult;
//# sourceMappingURL=pdf-form-fill.d.ts.map