import { CourierButtonProps } from '../components/courier-button';
/**
 * The styling an Elemental `action` element can carry.
 *
 * Declared structurally rather than imported from `@trycourier/courier-js` so the core kit
 * stays free of a dependency on the data SDK. `InboxAction` satisfies it.
 */
export interface CourierActionStyle {
    background_color?: string;
    border_radius?: string;
    border_size?: string;
    font_size?: string;
    padding?: string;
    style?: string;
    color?: string;
    border?: {
        enabled?: boolean;
        color?: string;
        radius?: string | number;
        size?: string;
    };
}
/**
 * The theme values that describe one action look.
 *
 * @public
 */
export interface CourierActionVariantThemeStyle {
    backgroundColor?: string;
    hoverBackgroundColor?: string;
    activeBackgroundColor?: string;
    border?: string;
    borderRadius?: string;
    shadow?: string;
    textDecoration?: string;
    padding?: string;
    font?: {
        family?: string;
        size?: string;
        weight?: string;
        color?: string;
    };
}
/**
 * The theme values an integrator can set for a row of message actions.
 *
 * The top level applies to every action. Below it sits one block per `action.style`, each named
 * for the value it answers to — a theme reads the same as the template that feeds it, with no
 * mapping to remember between what a template sends and what a theme calls it. A block layers
 * over the top level, and an action's own Elemental styling still supersedes both.
 *
 * @public
 */
export interface CourierActionThemeStyle extends CourierActionVariantThemeStyle {
    /** Applies to `style: 'button'` — the filled button, and the default when a style is absent. */
    button?: CourierActionVariantThemeStyle;
    /** Applies to `style: 'secondary'` — the outlined button. */
    secondary?: CourierActionVariantThemeStyle;
    /** Applies to `style: 'tertiary'` — the borderless button. */
    tertiary?: CourierActionVariantThemeStyle;
    /** Applies to `style: 'link'` — inline text rather than a button. */
    link?: CourierActionVariantThemeStyle;
}
/**
 * Pick light or dark text for a background color, whichever stays readable on it.
 *
 * Elemental has no text color on actions, so a template that sets a dark fill would otherwise
 * render dark-on-dark. Only hex is understood; anything else returns `undefined` so the caller
 * falls back to the theme.
 */
export declare function readableTextColor(backgroundColor?: string): string | undefined;
/**
 * Resolve the button styling for a message action.
 *
 * Precedence is the usual one: a value the integrator set on the theme wins; failing that the
 * action's own Elemental styling applies, so an untouched theme renders what the template author
 * configured; failing both, the value is left unset and `CourierButton` supplies its default.
 *
 * That ordering is what makes a theme an override rather than a suggestion — set
 * `actions.backgroundColor` and every action wears it, whatever colour the template asked for.
 * It also means the default theme deliberately says nothing about actions: a default living
 * there would outrank the template and there would be no way to tell it apart from a value the
 * integrator chose.
 */
export declare function courierActionButtonProps(action: CourierActionStyle, theme?: CourierActionThemeStyle): Partial<CourierButtonProps>;