/**
 * Geometry and clock text for {@link TxVoiceClip}.
 *
 * The clip grows with its recording, as a chat voice message does, but on a square-root curve:
 * the first seconds widen it noticeably and a long recording approaches the cap slowly, so a
 * thread of short and long messages does not alternate between stubs and full-width bars.
 */
/** Width of a clip whose length is unknown or under a second. */
export declare const CLIP_MIN_WIDTH = 140;
/** Width reached at {@link CLIP_FULL_WIDTH_MS} and kept beyond it. */
export declare const CLIP_MAX_WIDTH = 300;
export declare const CLIP_FULL_WIDTH_MS = 60000;
/** One bar plus the gap after it. */
export declare const BAR_WIDTH = 3;
export declare const BAR_GAP = 2;
/**
 * Everything in the capsule that is not the waveform — inset, play key, the two gaps, the clock
 * and the end padding. Only the fallback for a first render with nothing measured yet: once
 * mounted, the bars count what the waveform's own box can hold.
 */
export declare const CLIP_CHROME_WIDTH = 90;
/** Fewest bars a clip draws, however narrow its host squeezes it. */
export declare const MIN_BARS = 4;
export declare function clipWidthFor(durationMs: number | undefined): number;
export declare function barCountFor(waveWidth: number): number;
/** Whole seconds a length reads as: rounded, and never 0 for a recording that has any length. */
export declare function wholeSeconds(seconds: number): number;
/**
 * The countdown: the length as it reads at rest, less the whole seconds played. Counting down
 * from the rounded length means starting playback never changes the number on screen.
 */
export declare function remainingSeconds(total: number, position: number): number;
/** `m:ss`, or `h:mm:ss` past an hour, for a count of whole seconds. */
export declare function formatClipTime(seconds: number): string;