import { AcCmColor } from '@mlightcad/data-model';
import type { AcUiI18n } from '../i18n';
/**
 * Modal ACI color picker dialog for layer color selection.
 *
 * Presents standard AutoCAD Color Index palettes plus numeric or hex input.
 */
export declare class AcUiColorPicker {
    private i18n;
    /** Full-screen backdrop containing the dialog. */
    private backdrop;
    /** Shared ACI index picker mounted in the dialog body. */
    private picker;
    /** Promise resolver set by {@link open}. */
    private resolve?;
    /**
     * Builds the dialog DOM and appends it to the theme host.
     *
     * @param i18n - i18n helper for dialog labels.
     * @param themeHost - Viewer host so `--ml-ui-*` CSS variables are inherited.
     * @param initialColor - Optional initial selection.
     */
    constructor(i18n: AcUiI18n, themeHost: HTMLElement, initialColor?: AcCmColor);
    /**
     * Returns a promise resolved when the user confirms or cancels the dialog.
     *
     * @returns Selected color, or `null` on cancel or backdrop click.
     */
    open(): Promise<AcCmColor | null>;
    /**
     * Removes the dialog and resolves the {@link open} promise.
     *
     * @param color - Selected color, or `null` when dismissed.
     */
    private finish;
    /**
     * Extracts an ACI index from an initial color, when applicable.
     *
     * @param color - Optional initial color.
     */
    private toColorIndex;
    /**
     * Builds the confirmed {@link AcCmColor} from the current selection.
     */
    private toSelectedColor;
}
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