import { Direction } from "@microsoft/fast-web-utilities";
import { Palette } from "../utilities/color/palette";
import { FontWeight } from "../utilities/fonts";
import designSystemSchema from "./design-system.schema";
export declare const defaultFontWeights: FontWeight;
export { designSystemSchema };
export declare type DensityOffset = -3 | -2 | -1 | 0 | 1 | 2 | 3;
export interface DesignSystem {
    /**
     * The background color of the current context.
     * May be used to draw an actual background or not. Color recipes evaluated within this context will use this as their basis.
     */
    backgroundColor: string;
    /**
     * The accent color, which the accent palette is based on.
     * Keep this value in sync with accentPalette.
     */
    accentBaseColor: string;
    /**
     * An array of colors in a ramp from light to dark, used to look up values for neutral color recipes.
     * Generate by calling createColorPalette.
     */
    neutralPalette: Palette;
    /**
     * An array of colors in a ramp from light to dark, used to lookup values for accent color recipes.
     * Keep this value in sync with accentBaseColor.
     * Generate by calling createColorPalette.
     */
    accentPalette: Palette;
    /**
     * A number between 0 and 100 that represents the contrast scale value.
     */
    contrast: number;
    /**
     * The density offset, used with designUnit to calculate height and spacing.
     */
    density: DensityOffset;
    /**
     * The grid-unit that UI dimensions are derived from in pixels.
     */
    designUnit: number;
    /**
     * The number of designUnits used for component height at the base density.
     */
    baseHeightMultiplier: number;
    /**
     * The number of designUnits used for horizontal spacing at the base density.
     */
    baseHorizontalSpacingMultiplier: number;
    /**
     * The primary direction of the view.
     */
    direction: Direction;
    /**
     * An object representing the supported font weights.
     */
    fontWeight?: FontWeight;
    /**
     * The corner radius applied to controls.
     */
    cornerRadius?: number;
    /**
     * The corner radius applied to elevated surfaces or controls.
     */
    elevatedCornerRadius?: number;
    /**
     * The width of the outline applied to outline components in pixels.
     */
    outlineWidth?: number;
    /**
     * The width of the outline for focus state in pixels.
     */
    focusOutlineWidth: number;
    /**
     * The opacity to use for disabled component state.
     */
    disabledOpacity: number;
    /**
     * Color swatch deltas for the accent-fill recipe.
     */
    accentFillRestDelta: number;
    accentFillHoverDelta: number;
    accentFillActiveDelta: number;
    accentFillFocusDelta: number;
    accentFillSelectedDelta: number;
    /**
     * Color swatch deltas for the accent-foreground recipe.
     */
    accentForegroundRestDelta: number;
    accentForegroundHoverDelta: number;
    accentForegroundActiveDelta: number;
    accentForegroundFocusDelta: number;
    neutralFillRestDelta: number;
    neutralFillHoverDelta: number;
    neutralFillActiveDelta: number;
    neutralFillFocusDelta: number;
    neutralFillSelectedDelta: number;
    /**
     * Color swatch deltas for the neutral-fill-input recipe.
     */
    neutralFillInputRestDelta: number;
    neutralFillInputHoverDelta: number;
    neutralFillInputActiveDelta: number;
    neutralFillInputFocusDelta: number;
    neutralFillInputSelectedDelta: number;
    /**
     * Color swatch deltas for the neutral-fill-stealth recipe.
     */
    neutralFillStealthRestDelta: number;
    neutralFillStealthHoverDelta: number;
    neutralFillStealthActiveDelta: number;
    neutralFillStealthFocusDelta: number;
    neutralFillStealthSelectedDelta: number;
    /**
     * Configuration for the neutral-fill-toggle recipe.
     */
    neutralFillToggleHoverDelta: number;
    neutralFillToggleActiveDelta: number;
    neutralFillToggleFocusDelta: number;
    /**
     * The luminance value to base layer recipes on.
     * Sets the luminance value for the L1 layer recipe in a manner that can adjust to variable contrast.
     *
     * Currently defaults to -1 to turn the feature off and use backgroundColor for layer colors instead.
     */
    baseLayerLuminance: number;
    /**
     * Color swatch deltas for the neutral-fill-card recipe.
     */
    neutralFillCardDelta: number;
    /**
     * Color swatch deltas for the neutral-foreground recipe.
     */
    /**
     * @deprecated Neutral foreground is now based on contrast and this is no longer used.
     */
    neutralForegroundDarkIndex: number;
    /**
     * @deprecated Neutral foreground is now based on contrast and this is no longer used.
     */
    neutralForegroundLightIndex: number;
    neutralForegroundHoverDelta: number;
    neutralForegroundActiveDelta: number;
    neutralForegroundFocusDelta: number;
    /**
     * Color swatch delta for the neutral-divider recipe.
     */
    neutralDividerRestDelta: number;
    /**
     * Color swatch deltas for the neutral-outline recipe.
     */
    neutralOutlineRestDelta: number;
    neutralOutlineHoverDelta: number;
    neutralOutlineActiveDelta: number;
    neutralOutlineFocusDelta: number;
}
declare const designSystemDefaults: DesignSystem;
/**
 * Ensure that all properties of the DesignSystem are assigned.
 */
export declare const withDesignSystemDefaults: (config: Partial<DesignSystem>) => DesignSystem;
/**
 * Safely retrieves a single property from a DesignSystem.
 * @deprecated Use getDesignSystemValue instead.
 */
export declare function getDesignSystemProperty(key: string): DesignSystemResolver<string>;
/**
 * Returns the argument if basic, otherwise calls the DesignSystemResolver function.
 *
 * @param arg A value or a DesignSystemResolver function
 * @param designSystem The design system config.
 */
export declare function checkDesignSystemResolver<T>(arg: T | DesignSystemResolver<T>, designSystem: DesignSystem): T;
/**
 * Returns a function that calls the callback with designSystemDefaults ensured.
 * @deprecated - use design system property accessor functions instead
 */
export declare function ensureDesignSystemDefaults<T>(callback: (designSystem: DesignSystem) => T): (designSystem: DesignSystem) => T;
/**
 * A function that accepts a DesignSystem and returns a generic type.
 */
export declare type DesignSystemResolver<T> = (designSystem: DesignSystem) => T;
export default designSystemDefaults;