/** How a title is drawn. */
export type TitleStyle = 
/** Big centred wordmark, optional subtitle beneath. */
'title'
/** Mid-size lower-third line — feature callouts. */
 | 'line'
/** Dimmed footage + wordmark + subtitle + small note: the end card. */
 | 'card';
export interface TitleCue {
    /** Output time in seconds when the title appears. */
    at: number;
    /** How long it stays, in seconds. */
    dur: number;
    text: string;
    /** Second line, smaller (styles `title` and `card`). */
    sub?: string;
    /** Small print, e.g. "ACTUAL GAMEPLAY" (style `card`). */
    note?: string;
    style?: TitleStyle;
}
/** Fade at each end of a cue, in seconds. */
export declare const TITLE_FADE_SEC = 0.22;
/**
 * The page for one cue. Transparent background so `omitBackground` yields real
 * alpha; the `card` style paints its own scrim.
 */
export declare function titleHtml(cue: TitleCue, width: number, height: number, fontFile: string): string;
/**
 * Filter lines overlaying pre-rendered title PNGs onto the video.
 *
 * Each PNG is a still input looped for the cue's duration, so `fade` times are
 * relative to the cue itself; `setpts` shifts it to its output slot and
 * `enable` gates it. Returns a passthrough when there is nothing to draw.
 */
export declare function buildTitleOverlayChain(inLabel: string, outLabel: string, cues: readonly TitleCue[], baseInputIndex: number): string[];
/** ffmpeg input args for the title PNGs — each looped for its cue duration. */
export declare function titleInputArgs(cues: readonly TitleCue[], pngPaths: readonly string[]): string[];
/**
 * The bundled title font, shipped in the package's `assets/fonts/` (see `files` in package.json)
 * so titles render identically on any machine instead of depending on system fonts. Resolved from
 * this module's own location: `../../assets/` is the same hop from `src/trailer/` and from
 * `dist/trailer/`, so it works run from source and from an installed package alike.
 */
export declare function defaultTitleFont(): string;