import { CommandDescription } from '../command/command-models';
import { ModuleDescription } from '../module/module-models';
import { OptionDescription } from '../options/option-models';
import { ParameterDescription } from '../parameters/parameter-models';
/**
 * Injectable service with utility functions that assist with printing help messages
 *
 * @publicApi
 */
export declare class HelpUtilities {
    /**
     * Creates a new instance
     */
    constructor();
    /**
     * Returns a description of a module in a single line, without details of its commands
     * @param description Description of the module, including references to its commands and parent modules
     */
    singleLineModule(description: ModuleDescription): string;
    /**
     * Returns a description of a module in a single line, without details of its options and parameters. It provides an optional
     * setting to include the option names in the line
     * @param command  Description of the command
     * @param dontExpandOpts Whether each option should be printed with its name else it will be printed as [options]
     */
    singleLineCommand(command: CommandDescription, dontExpandOpts: boolean): string;
    /**
     * Returns the descriptions of all parent modules for a particular module or command
     * @param description Description of the command or module
     */
    private parents;
    /**
     * Prints a table with equal tabs for columns
     * @param textMatrix Table to print as a two dimensional array
     * @param maxLengths Maximum character length for a column, after which the text is wrapped
     */
    table(textMatrix: string[][], maxLengths?: number[]): string;
    /**
     * Modifies a two dimensional table matrix and inserts new rows for columns that exceed the maximum number of characters
     * @param textMatrix Original table matrix
     * @param maxLengths  Maximum character length for a column, after which the text is wrapped
     */
    private applyMaxColumnLengths;
    /**
     * Splits a column up into multiple rows to wrap the column's text
     * @param text text to split
     * @param maxLength Maximum number of characters per column before text-wrapping is applied
     */
    private splitTextForTable;
    /**
     * Returns a description of the parameters for a particular command, including descriptions
     * @param parameters Descriptions of the command's parameters
     */
    commandParameters(parameters: ParameterDescription[]): string;
    /**
     * Returns a description of the options for a particular command, including descriptions
     * @param options Descriptions of the command's options
     */
    commandOptions(options: OptionDescription[]): string;
    /**
     * Prints a description for all commands in a module
     * @param commands Descriptions of the module's commands
     * @param subCommands Descriptions of the module's subcommands
     */
    moduleCommands(commands: CommandDescription[], subCommands: ModuleDescription[]): string;
}