import ConversionParameters from './conversion-parameters';
import Parameters, { StorageOptions } from './parameters';
declare type Optional<T> = T | null | undefined;
export default class MergeParameters implements Parameters {
    private documents;
    private params;
    /**
     * Add a document to the PDF.
     */
    addDocument(document: ConversionParameters): this;
    /**
     * Add multiple documents to the PDF.
     */
    addDocuments(documents: ConversionParameters[]): this;
    /**
     * Secure the PDF with an owner password.
     */
    ownerPassword(password: Optional<string>): this;
    /**
     * Secure the PDF with a user password.
     */
    userPassword(password: Optional<string>): this;
    /**
     * Secure the PDF with an owner and a user password.
     */
    passwords(owner: Optional<string>, user: Optional<string>): this;
    /**
     * Serve the PDF via the CDN.
     */
    cdn(cdn?: Optional<boolean>): this;
    /**
     * Upload the PDF directly to the user's configured storage disk.
     */
    storage(options?: Partial<StorageOptions> | boolean): this;
    all(): {
        [key: string]: any;
    };
}
export {};