import { default as ConditionalFormattingGradientRule } from '../types/ConditionalFormattingGradientRule';
/**
 * Builds a CSS `linear-gradient(...)` for previewing a rule's colour scale —
 * the editor's gradient bar and the rule list's swatch. Colours are spread
 * evenly, since a preview has no data range to position them against.
 *
 * Per-cell colouring uses `getConditionalFormattingGradientColor` instead,
 * which interpolates a single colour at a value's actual position.
 */
export default function getConditionalFormattingGradientPreviewCss(rule: ConditionalFormattingGradientRule): string | undefined;