import { Folder } from './Folder';
import { Field, FieldType, CheckboxField, DropdownField, NumberField, ButtonField } from './Field';
export declare class Tunable {
    /**
     * Initialize server at port number
     * This method is optional but can be used to start a server
     * at a non-default port, it has to be called before any other
     * method here.
     * @param {number} port Server port
     */
    static initializeServer(port: any): void;
    /**
     * Stops both the web and websocket servers
     */
    static close(): void;
    /**
     * Gets or starts the server, and then gets or creates a folder
     * with the requested name
     * @param name
     * @returns {Folder}
     */
    static getFolder(name?: string): Folder;
    /**
     * Creates or gets the already created string field for name
     * @param {string} name
     * @param {string} [initial='']
     * @param {string} [folderName=''] Name of GUI folder to use (empty by default)
     * @returns {StringField}
     */
    static getStringField(name: string, initial?: string, folderName?: string): Field<string>;
    /**
     * Creates or gets the already created dropdown field for name
     * @param {string} name
     * @param {string[]} options
     * @param {number} [initialIndex=0]
     * @param {string} [folderName=''] Name of GUI folder to use (empty by default)
     * @returns {DropdownField}
     */
    static getDropdownField(name: string, options: string[], initialIndex?: number, folderName?: string): DropdownField;
    /**
     * Creates (or gets the already created) checkbox field for name
     * @param {string} name
     * @param {boolean} [initial=false]
     * @param {string} [folderName=''] Name of GUI folder to use (empty by default)
     * @returns {CheckboxField}
     */
    static getCheckboxField(name: string, initial?: boolean, folderName?: string): CheckboxField;
    /**
     * Creates (or gets the already created) number field for name
     * @param {string} name
     * @param {number} initial Initial value for number
     * @param {number} min Minimum value for number
     * @param {number} max Maximum value for number
     * @param {number} [step=-1] Increments
     * @param {string} [folderName=''] Name of GUI folder to use (empty by default)
     * @returns {NumberField}
     */
    static getNumberField(name: string, initial: number, min: number, max: number, step?: number, folderName?: string): NumberField;
    /**
     * Creates (or gets the already created) trigger button field for name
     * @param {string} name
     * @param {string} [folderName=''] Name of GUI folder to use (empty by default)
     * @returns {ButtonField}
     */
    static getButtonField(name: string, folderName?: string): ButtonField;
    /**
     * Gets the current value for a field of 'name'
     * @param {string} name
     * @param {string} [folderName=''] Name of GUI folder to use (empty by default)
     * @returns {FieldType}
     * @throws Error if no such field exists
     */
    static getValue(name: string, folderName?: string): FieldType;
}