import type { CSSPropertiesWithVars } from '../types/css';
import type { PPTTextElement, TextAlign } from '../types/slides';
import { isListPlaceholderType, placeholderAlignOf } from '../configs/textPresets';
import type { PlaceholderStyleOptions } from './prosemirror/commands/applyPlaceholderStyles';
export { isListPlaceholderType, placeholderAlignOf };
export declare const EMPTY_LIST_HTML = "<ul><li><p></p></li></ul>";
export declare const EMPTY_PARA_HTML = "<p></p>";
export declare const isEmptyRichText: (html?: string) => boolean;
export declare const isUnfilledPlaceholder: (el: {
    placeholder?: string;
    content?: string;
}) => boolean;
/** Slide previews paint authored text only. Empty placeholder prompts stay on the canvas. */
export declare const shouldRasterPreviewText: (el: {
    placeholder?: string;
    content?: string;
}) => boolean;
/** Rewrite leaked prompt-size marks (36 on a cover title) back to the typed size. */
export declare const repairFilledPlaceholderHtml: (el: {
    placeholder?: string;
    textType?: string;
    placeholderFontSize?: number;
}, html: string) => string;
export declare const isListPlaceholder: (el: {
    placeholder?: string;
    textType?: string;
}) => boolean;
/**
 * Ghost prompt markup for previews that render unfilled placeholders (layout
 * picker cards). Typography mirrors the empty-phase CSS prompt: prompt size,
 * prompt weight, normal style, slot align, resolved placeholder ink.
 */
export declare const placeholderPromptHtml: (el: {
    placeholder?: string;
    textType?: string;
    placeholderFontSize?: number;
    placeholderAlign?: TextAlign;
}, color: string) => string;
export declare const emptyPlaceholderHtml: (el: {
    placeholder?: string;
    textType?: string;
}) => "<p></p>" | "<ul><li><p></p></li></ul>";
export type PlaceholderPhase = 'empty' | 'filled';
export declare const placeholderPhase: (empty: boolean) => PlaceholderPhase;
/** Empty-prompt styles must never rewrite typed text (that is how 66 collapses to 36). */
export declare const shouldSkipPlaceholderStyleApply: (input: {
    docEmpty: boolean;
    phaseHint?: PlaceholderPhase;
    fontSize?: string;
}) => boolean;
export declare const placeholderSeed: (el: {
    placeholderFontSize?: number;
    placeholderAlign?: TextAlign;
    placeholderBold?: boolean;
    placeholderItalic?: boolean;
    defaultFontName?: string;
    textType?: string;
}, phase: PlaceholderPhase, color: string) => PlaceholderStyleOptions;
export declare const placeholderBoxVars: (el: PPTTextElement, empty: boolean, promptColor: string) => CSSPropertiesWithVars;
export declare const placeholderChrome: (input: {
    placeholder?: string;
    empty: boolean;
    editing: boolean;
}) => {
    editorMounted: boolean;
    showPrompt: boolean;
    hidePrompt: boolean;
};