/**
 * New sheet payload definition.
 */
type NewSheet = {
    /**
     * The contents that should be inserted to the new sheet.
     * Contents are imported as Markdown by default.
     *
     * @example 'My new sheet content'
     */
    text?: string;
    /**
     * Specifies the group the new sheet should be inserted to.
     * This can be:
     * - A group name (e.g. 'My Group') that will match the first group having the same name
     * - A path to a particular target group (e.g. '/My Group/My Subgroup'). Any path must begin with a slash
     * - A unique identifier of the target group
     * If no value is given, the sheet is created inside the Inbox.
     *
     * @example 'My Group'
     * @example '/My Group/My Subgroup'
     */
    group?: string;
    /**
     * Specifies the format of the imported text.
     *
     * @default 'markdown'
     * @example 'markdown'
     * @example 'text'
     * @example 'html'
     */
    format?: 'markdown' | 'text' | 'html';
    /**
     * The position of the new sheet in its parent group.
     * Use 0 to make it the first sheet.
     *
     * @example 0
     * @example 2
     */
    index?: number;
};
/**
 * Creates a new sheet in Ulysses.
 *
 * Available on iOS since Ulysses 2.6 (API version 1), on Mac since Ulysses 2.8 (API version 2).
 *
 * @param payload New sheet definition.
 * @returns Ulysses new-sheet URL.
 * @example
 * newSheet()
 * // => 'ulysses://x-callback-url/new-sheet'
 * @example
 * newSheet({ text: 'My new sheet' })
 * // => 'ulysses://x-callback-url/new-sheet?text=My%20new%20sheet'
 * @example
 * newSheet({ text: 'My new sheet', index: 2 })
 * // => 'ulysses://x-callback-url/new-sheet?text=My%20new%20sheet&index=2'
 * @example
 * newSheet({ text: 'Content', group: '/My Group', format: 'text' })
 * // => 'ulysses://x-callback-url/new-sheet?text=Content&group=%2FMy%20Group&format=text'
 * @link https://refined-github-html-preview.kidonng.workers.dev/softwarehistorysociety/UlyssesX-Callback-URL/raw/main/x-callback.html#new-sheet
 */
export declare function newSheet(payload?: NewSheet): string;
export {};