import { EditorState } from 'prosemirror-state';
import type { Alignment } from './schema';
/**
 * Immutable snapshot of everything the toolbar needs to render. Computed once
 * per transaction in the host's dispatchTransaction and passed down as a
 * single reactive property.
 */
export interface ToolbarState {
    bold: boolean;
    italic: boolean;
    underline: boolean;
    strike: boolean;
    subscript: boolean;
    superscript: boolean;
    code: boolean;
    /** 'paragraph' | 'heading' for the innermost textblock at the cursor. */
    blockType: string;
    headingLevel: number | null;
    align: Alignment | null;
    /** Line height ('1.5') of the textblock at the cursor, null = default. */
    lineHeight: string | null;
    inBulletList: boolean;
    inOrderedList: boolean;
    inTaskList: boolean;
    inBlockquote: boolean;
    inTable: boolean;
    /** The surrounding table is a layout (presentation) table. */
    tableLayout: boolean;
    /** Margin-indent level (0..MAX_INDENT) of the textblock at the cursor. */
    blockIndent: number;
    /** list-style-type of the surrounding list ('' = default). */
    listStyle: string | null;
    /** Start number of the surrounding ordered list. */
    listStart: number | null;
    /** An image or figure is selected (or the cursor is in a caption). */
    imageSelected: boolean;
    /** The selected image is a captioned figure. */
    imageIsFigure: boolean;
    /** Alignment of the selected figure. */
    imageAlign: string | null;
    /** A video embed is selected. */
    embedSelected: boolean;
    /** Alignment of the selected embed. */
    embedAlign: string | null;
    inCodeBlock: boolean;
    /** Language attr of the surrounding code block ('' = auto). */
    codeBlockLanguage: string | null;
    canUndo: boolean;
    canRedo: boolean;
    linkActive: boolean;
    linkHref: string | null;
    textColor: string | null;
    bgColor: string | null;
    fontFamily: string | null;
    fontSize: string | null;
    /** True when the selection is a cursor (no range). */
    selectionEmpty: boolean;
    /**
     * Whether the host's "paste as plain text" toggle is on. Not derivable from
     * editor state, so the host injects it after computeToolbarState().
     */
    pasteAsPlainText?: boolean;
    /** Whether the host is in fullscreen mode. Injected like pasteAsPlainText. */
    fullscreen?: boolean;
    /** Whether block boundaries are outlined. Injected like pasteAsPlainText. */
    showBlocks?: boolean;
    /** Whether the format painter is armed. Injected like pasteAsPlainText. */
    formatPainter?: boolean;
}
export declare function computeToolbarState(state: EditorState): ToolbarState;