import type { TextAlign } from '../types/slides';
export declare const TEXT_PRESET_LARGE_TITLE: {
    fontSize: number;
    bold: boolean;
    align: 'center';
};
export declare const TEXT_PRESET_SMALL_TITLE: {
    fontSize: number;
    bold: boolean;
    align: 'center';
};
export declare const TEXT_PRESET_BODY: {
    fontSize: number;
};
export declare const TEXT_PRESET_BODY_SMALL: {
    fontSize: number;
};
export declare const TEXT_PRESET_CAPTION: {
    fontSize: number;
    italic: boolean;
};
/** Empty cover title prompt (66 × 0.55). Do not derive this from the typed size. */
export declare const COVER_TITLE_PROMPT_SIZE = 36;
/** First typed cover title: Large title size, without the heavy-bold preset. */
export declare const COVER_TITLE_TYPED_SIZE = 66;
/** Title placeholder: one step above regular, not extra-bold 600/700. */
export declare const PLACEHOLDER_TITLE_WEIGHT = 500;
/** Subtitle and body prompts stay regular. */
export declare const PLACEHOLDER_PROMPT_WEIGHT = 400;
/** Typed body/list when the slot is marked bold. Titles and subtitles skip this. */
export declare const PLACEHOLDER_FILLED_WEIGHT = 600;
export declare const placeholderWeightOf: (el: {
    textType?: string;
    placeholderBold?: boolean;
}, empty: boolean) => 400 | 500 | 600;
export declare const placeholderPromptFontSize: (contentFontSize: number) => number;
export declare const placeholderContentFontSize: (fontSize?: number) => number;
export declare const isCoverTitlePlaceholder: (el: {
    textType?: string;
    placeholderFontSize?: number;
}) => boolean;
export declare const placeholderPromptSizeOf: (el: {
    textType?: string;
    placeholderFontSize?: number;
}) => number;
export declare const placeholderTypedSizeOf: (el: {
    textType?: string;
    placeholderFontSize?: number;
}) => number;
export declare const isPlaceholderPromptFontSize: (el: {
    textType?: string;
    placeholderFontSize?: number;
}, size: number) => boolean;
/**
 * Empty ghost keeps the original quiet prompt. Typed cover titles step up to
 * COVER_TITLE_TYPED_SIZE without the heavy title weight. The slot fits both.
 */
export declare const LIST_PLACEHOLDER_TYPES: Set<string>;
export declare const isListPlaceholderType: (textType?: string) => boolean;
export declare const placeholderAlignOf: (el: {
    placeholderAlign?: TextAlign;
    textType?: string;
}) => TextAlign;
export declare const placeholderBoxTypography: (el: {
    placeholder?: string;
    placeholderFontSize?: number;
    placeholderBold?: boolean;
    placeholderItalic?: boolean;
    placeholderAlign?: TextAlign;
    textType?: string;
}, empty: boolean) => {
    fontSize?: undefined;
    fontWeight?: undefined;
    fontStyle?: undefined;
    textAlign?: undefined;
    '--text-fit-base-size'?: undefined;
    '--placeholder-weight'?: undefined;
} | {
    fontSize: string;
    fontWeight: number;
    fontStyle: "italic" | "normal";
    textAlign: TextAlign;
    '--text-fit-base-size': string;
    '--placeholder-weight': number;
};