/** @packageDocumentation
 * @module Utilities
 */
import { PointProps, RectangleProps } from "@bentley/ui-core";
/** CSS helpers.
 * @internal
 */
export declare class Css {
    /** @returns Value in pixels. */
    static toPx(px: number): string;
    /** @returns Value in percentage. */
    static toPercentage(px: number): string;
}
/** React.CSSProperties helpers.
 * @internal
 */
export declare class CssProperties {
    /** @returns CSS properties that describe bounds (top, left, height, width). */
    static fromBounds(props: RectangleProps): React.CSSProperties;
    /** @returns CSS properties that describe position (top, left). */
    static fromPosition(props: PointProps): React.CSSProperties;
    /** @returns CSS transform property. */
    static transformFromPosition(props: PointProps): {
        transform: string;
    };
}
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