export declare class SignatureFrameSettings { 'enableSignatureFrame'?: boolean; 'showRecipientName'?: boolean; 'showRecipientEmail'?: boolean; 'showTimeStamp'?: boolean; static discriminator: string | undefined; static attributeTypeMap: Array<{ name: string; baseName: string; type: string; }>; static getAttributeTypeMap(): { name: string; baseName: string; type: string; }[]; }