/**
 * Adaptive Card payload limits for Teams.
 *
 * Teams caps an Adaptive Card attachment at ~28 KB of JSON and renders only a
 * handful of top-level actions comfortably. These ceilings keep a rendered card
 * inside those bounds; the renderer clamps collections and truncates text to
 * them rather than emitting an oversized card Teams would reject.
 */
export declare const TEAMS_LIMITS: {
    /** Top-level body elements (TextBlocks, FactSets, Tables, etc.) per card. */
    readonly bodyElements: 100;
    /** Top-level `Action.Submit`s. Teams shows ~6 before overflowing. */
    readonly actions: 6;
    /** Characters of text in a single TextBlock. */
    readonly textBlock: 12000;
    readonly factTitle: 200;
    readonly factValue: 2000;
    readonly factsPerSet: 50;
    readonly buttonText: 256;
    readonly tableColumns: 12;
    readonly tableRows: 100;
    readonly cellText: 2000;
    readonly choices: 100;
    readonly choiceLabel: 256;
    /** Data points (categories / slices) in a single chart. */
    readonly chartDataPoints: 50;
    /** Characters of a chart title or a data point's label. */
    readonly chartTitle: 200;
    readonly chartLabel: 200;
};
/** Truncate to `max` chars, appending an ellipsis if the input was longer. Never returns >max. */
export declare function truncateText(text: string, max: number): string;
/** Clamp an array to `max` items; return the kept items plus how many overflowed. */
export declare function clampArray<T>(items: readonly T[], max: number): {
    items: T[];
    overflow: number;
};
//# sourceMappingURL=budget.d.ts.map