import * as React from "react";
import { UsfmEditorRef } from "../UsfmEditor";
import { SvgIconTypeMap } from "@material-ui/core";
import { OverridableComponent } from "@material-ui/core/OverridableComponent";
declare type UsfmToolbarProps = {
    toolbarSpecs: ToolbarSpecs;
    editor: UsfmEditorRef;
};
export declare const UsfmToolbar: React.FC<UsfmToolbarProps>;
/**
 * The button specifications for a Usfm Toolbar are defined using this type.
 * The string key of each record will be used as the label and the tooltip text
 * for the corresponding button.
 */
export declare type ToolbarSpecs = Record<string, ToolbarButtonSpec>;
/**
 * Defines a single toolbar button.
 * The icon is a string or component that can be loaded in one of the following two ways:
 *    import FormatBoldButton from "@material-ui/icons/FormatBold"
 *    import { ReactComponent as CustomIcon } from "<relative path>/custom-icon.svg"
 * If a string is passed for the icon, the button will simply show that text.
 * cssClass allows for custom styling on the button.
 * actionSpec defines the behavior of the button.
 */
export interface ToolbarButtonSpec {
    icon: string | OverridableComponent<SvgIconTypeMap<unknown, "svg">> | React.FC<React.SVGProps<SVGSVGElement>>;
    cssClass?: string;
    actionSpec: ActionSpec;
}
export declare type ActionSpec = MarkButtonSpec | ParagraphButtonSpec | ActionButtonSpec;
/**
 * Defines a toolbar button that toggles a non-paragraph usfm marker.
 * additionalAction() defines a custom action to be performed after the toggle.
 */
export interface MarkButtonSpec {
    buttonType: "MarkButton";
    usfmMarker: string;
    additionalAction?: (editor: UsfmEditorRef) => void;
}
/**
 * Defines a toolbar button that toggles a paragraph usfm marker.
 * additionalAction() defines a custom action to be performed after the toggle.
 */
export interface ParagraphButtonSpec {
    buttonType: "ParagraphButton";
    usfmMarker: string;
    additionalAction?: (editor: UsfmEditorRef) => void;
}
/**
 * Defines a toolbar button with a custom isActive() and action() function.
 * isActive() is used for styling purposes, not the enabled/disabled state.
 */
export interface ActionButtonSpec {
    buttonType: "ActionButton";
    isActive: (editor: UsfmEditorRef) => boolean;
    action: (editor: UsfmEditorRef) => void;
}
export declare const defaultToolbarSpecs: ToolbarSpecs;
export {};