import type { ContentParseError, ContentValidationErrors, ContextMenuColumn, ContextMenuRow, MenuButton, MenuDropDownButton, MenuLabel, MenuSeparator, MenuSpace, ValidationError, NestedValidationError, SvelteActionRenderer, SvelteComponentRenderer, RecursiveState, ArrayRecursiveState, ObjectRecursiveState, ValueRecursiveState, SearchResults, WithSearchResults, TreeHistoryItem, HistoryItem, TextHistoryItem, ModeHistoryItem } from './types.js';
export declare function isMenuSpace(item: unknown): item is MenuSpace;
export declare function isMenuSeparator(item: unknown): item is MenuSeparator;
export declare function isMenuLabel(item: unknown): item is MenuLabel;
export declare function isMenuButton(item: unknown): item is MenuButton;
export declare function isMenuDropDownButton(item: unknown): item is MenuDropDownButton;
export declare function isContextMenuRow(item: unknown): item is ContextMenuRow;
export declare function isContextMenuColumn(item: unknown): item is ContextMenuColumn;
export declare function isContentParseError(contentErrors: unknown): contentErrors is ContentParseError;
export declare function isContentValidationErrors(contentErrors: unknown): contentErrors is ContentValidationErrors;
export declare function isValidationError(value: unknown): value is ValidationError;
export declare function isNestedValidationError(value: unknown): value is NestedValidationError;
export declare function isSvelteComponentRenderer(value: unknown): value is SvelteComponentRenderer;
export declare function isSvelteActionRenderer(value: unknown): value is SvelteActionRenderer;
export declare function isObjectRecursiveState(state: RecursiveState | undefined): state is ObjectRecursiveState;
export declare function isArrayRecursiveState(state: RecursiveState | undefined): state is ArrayRecursiveState;
export declare function isValueRecursiveState(state: RecursiveState | undefined): state is ValueRecursiveState;
export declare function isExpandableState(state: RecursiveState | undefined): state is ObjectRecursiveState | ArrayRecursiveState;
export declare function hasSearchResults(state: SearchResults | undefined): state is WithSearchResults;
export declare function isTreeHistoryItem(historyItem: HistoryItem | undefined): historyItem is TreeHistoryItem;
export declare function isTextHistoryItem(historyItem: HistoryItem | undefined): historyItem is TextHistoryItem;
export declare function isModeHistoryItem(historyItem: HistoryItem | undefined): historyItem is ModeHistoryItem;