import type { GuidString } from "@itwin/core-bentley";
/** @internal */
export interface BasemapColorPreferencesContent {
    customColor?: string;
    activeColor?: string;
}
/** A wrapper around user preferences to store basemap solid fill colors.
 * Supports both user-selected custom colors and active colors (which may be preset or custom).
 * @internal
 */
export declare class BasemapColorPreferences {
    private static readonly _preferenceNamespace;
    private static readonly _preferenceKey;
    /** Store the user-selected custom basemap color preference.
     * This preserves the user's custom color choice even when they switch to presets.
     * @param color TBGR color value as string
     * @param iTwinId iTwin identifier
     * @param iModelId iModel identifier (optional, if not provided stores at iTwin level)
     */
    static saveCustomColor(color: string, iTwinId: GuidString, iModelId?: GuidString): Promise<boolean>;
    /** Store the currently active basemap color.
     * This tracks what color is currently being used, whether it's custom or preset.
     * @param color TBGR color value as string
     * @param iTwinId iTwin identifier
     * @param iModelId iModel identifier (optional, if not provided stores at iTwin level)
     */
    static saveActiveColor(color: string, iTwinId: GuidString, iModelId?: GuidString): Promise<boolean>;
    /** Get the user's selected custom color.
     * @param iTwinId iTwin identifier
     * @param iModelId iModel identifier (optional)
     * @returns The stored user-selected color as TBGR string, or undefined if not found
     */
    static getCustomColor(iTwinId: GuidString, iModelId?: GuidString): Promise<string | undefined>;
    /** Get the currently active color.
     * @param iTwinId iTwin identifier
     * @param iModelId iModel identifier (optional)
     * @returns The stored active color as TBGR string, or undefined if not found
     */
    static getActiveColor(iTwinId: GuidString, iModelId?: GuidString): Promise<string | undefined>;
    /** Get all color preferences.
     * @param iTwinId iTwin identifier
     * @param iModelId iModel identifier (optional)
     * @returns The stored preferences, or undefined if not found
     */
    static getPreferences(iTwinId: GuidString, iModelId?: GuidString): Promise<BasemapColorPreferencesContent | undefined>;
    /** Save color preferences.
     * @param preferences The preferences to save
     * @param iTwinId iTwin identifier
     * @param iModelId iModel identifier (optional)
     */
    private static savePreferences;
}
//# sourceMappingURL=BasemapColorPreferences.d.ts.map