import { IPane, IPaneContent, PaneSplitAxis } from './types';
/**
 * Get a pane by its id and throw if it doesn't exist.
 */
export declare const mustGetPane: <Data>(panes: IPane<Data>[], paneId: string) => IPane<Data>;
/**
 * Get a content by its id and throw if it doesn't exist.
 */
export declare const mustGetContent: <Data>(pane: IPane<Data>, contentId: string) => IPaneContent<Data>;
/**
 * Mark pane having provided `paneId` current pane,
 * if it's already the current one, return untouched panes.
 */
export declare const setCurrentPane: <Data>(panes: IPane<Data>[], paneId: string) => IPane<Data>[];
/**
 * Append a content to current pane.
 * If the content already exists, doesn't re-append.
 * If the content is unique and already exists in the existing
 * panes, doesn't re-append, and set pane/content current,
 * meaning the content will remains unique across all panes
 * in the namespace.
 */
export declare const addContentToCurrentPane: <Data>(panes: IPane<Data>[], newContent: IPaneContent<Data>) => IPane<Data>[];
/**
 * Mark pane having provided `paneId` current pane,
 * and also mark content matching provided `contentId` current content.
 * Does not touch panes/contents already in desired state.
 */
export declare const setPaneCurrentContent: <Data>(panes: IPane<Data>[], paneId: string, contentId: string) => IPane<Data>[];
/**
 * Remove content from pane, if there's no remaining content
 * and pane does have a parent (childOf is defined),
 * un-split it.
 */
export declare const removePaneContent: <Data>(panes: IPane<Data>[], paneId: string, contentId: string) => IPane<Data>[];
/**
 * Remove a content from all panes in the namespace.
 */
export declare const removeContentFromAllPanes: <Data>(panes: IPane<Data>[], contentId: string) => IPane<Data>[];
/**
 * Split the pane whose id is `paneId` into two child panes,
 * also set it as current pane.
 * The new pane (second child) will be created with
 * pane current content.
 */
export declare const splitPane: <Data>(panes: IPane<Data>[], paneId: string, axis: PaneSplitAxis) => IPane<Data>[];