import React from "react";
import { StyleProp, TextStyle, ViewStyle } from "react-native";
import { PaletteColor } from "./base";
import { SurfaceProps } from "./Surface";
export interface AppBarProps extends SurfaceProps {
    /**
     * Whether you want to place the AppBar at the top or the bottom of the screen.
     *
     * @default "top"
     */
    variant?: "top" | "bottom";
    /**
     * The primary text to display in the AppBar.
     */
    title?: string | React.ReactNode | ((props: {
        color: string;
    }) => React.ReactNode | null) | null;
    /**
     * The secondary text to display in the AppBar.
     */
    subtitle?: string | React.ReactNode | ((props: {
        color: string;
    }) => React.ReactNode | null) | null;
    /**
     * Whether the `title` and `subtitle` should be centered.
     *
     * @default false
     */
    centerTitle?: boolean;
    /**
     * The element displayed before the `title`.
     */
    leading?: React.ReactNode | ((props: {
        color: string;
        size: number;
    }) => React.ReactNode | null) | null;
    /**
     * The element displayed after the `title`.
     */
    trailing?: React.ReactNode | ((props: {
        color: string;
        size: number;
    }) => React.ReactNode | null) | null;
    /**
     * The fill color of the AppBar's background.
     *
     * @default "primary"
     */
    color?: PaletteColor;
    /**
     * The color of the AppBar's content (title, subtitle, icons, etc.).
     */
    tintColor?: PaletteColor;
    /**
     * Whether the AppBar's background is transparent.
     *
     * @default false
     */
    transparent?: boolean;
    /**
     * If `true`, the `color` prop will be applied in dark mode.
     *
     * @default false
     */
    enableColorOnDark?: boolean;
    /**
     * The style of the content container view.
     */
    contentContainerStyle?: StyleProp<ViewStyle>;
    /**
     * The style of the title and subtitle container view.
     */
    titleContentStyle?: StyleProp<ViewStyle>;
    /**
     * The style of the title text.
     */
    titleStyle?: StyleProp<TextStyle>;
    /**
     * The style of the subtitle text.
     */
    subtitleStyle?: StyleProp<TextStyle>;
    /**
     * The style of the leading element container view.
     */
    leadingContainerStyle?: StyleProp<ViewStyle>;
    /**
     * The style of the trailing element container view.
     */
    trailingContainerStyle?: StyleProp<ViewStyle>;
}
declare const AppBar: React.FC<AppBarProps>;
export default AppBar;