/**
 * Visual design tokens for the agentsVoice floating pane.
 * Centralize sizes and colors so every component pulls from the same palette.
 */
export declare const FONT_SIZE: {
    readonly micro: "10px";
    readonly body: "12px";
    readonly base: "13px";
    readonly iconSm: "14px";
    readonly iconMd: "16px";
};
export declare const FONT_WEIGHT: {
    readonly normal: "400";
    readonly medium: "500";
    readonly semibold: "600";
    readonly bold: "700";
};
export declare const COLOR: {
    readonly userTranscript: "rgb(88,166,255)";
    readonly assistantTranscript: "rgb(163,113,247)";
};
/**
 * Add Enter/Space keyboard activation to a non-native button element.
 * Required for elements with role="button" + tabindex="0".
 */
export declare function addKeyboardActivation(el: HTMLElement): void;