import type { UITextAlign, UITextStyleConfig } from "./UITextStyle.Internal";
/** Text style configuration for UI text rendering */
export declare class UITextStyle {
    private colorInternal?;
    private alignInternal?;
    private fontFamilyInternal?;
    private fontSizeInternal?;
    private fontStyleInternal?;
    private fontWeightInternal?;
    private lineHeightInternal?;
    private enableShadowInternal?;
    private shadowOffsetXInternal?;
    private shadowOffsetYInternal?;
    private shadowBlurInternal?;
    private shadowColorInternal?;
    private enableStrokeInternal?;
    private strokeColorInternal?;
    private strokeThicknessInternal?;
    private dirtyInternal;
    /** @param config Partial style configuration. Unspecified properties remain undefined. */
    constructor(config?: Partial<UITextStyleConfig>);
    /** Text color */
    get color(): string | undefined;
    /** Text alignment */
    get align(): UITextAlign | undefined;
    /** Font family name */
    get fontFamily(): string | undefined;
    /** Font size in pixels */
    get fontSize(): number | undefined;
    /** Font style */
    get fontStyle(): "normal" | "italic" | "oblique" | undefined;
    /** Font weight */
    get fontWeight(): "normal" | "bold" | "bolder" | "lighter" | number | undefined;
    /** Line height in pixels */
    get lineHeight(): number | undefined;
    /** Whether shadow is enabled */
    get enableShadow(): boolean | undefined;
    /** Shadow horizontal offset in pixels */
    get shadowOffsetX(): number | undefined;
    /** Shadow vertical offset in pixels */
    get shadowOffsetY(): number | undefined;
    /** Shadow blur radius in pixels */
    get shadowBlur(): number | undefined;
    /** Shadow color */
    get shadowColor(): string | undefined;
    /** Whether stroke is enabled */
    get enableStroke(): boolean | undefined;
    /** Stroke color */
    get strokeColor(): string | undefined;
    /** Stroke thickness in pixels */
    get strokeThickness(): number | undefined;
    set color(value: string | undefined);
    set align(value: UITextAlign | undefined);
    set fontFamily(value: string | undefined);
    set fontSize(value: number | undefined);
    set fontStyle(value: "normal" | "italic" | "oblique" | undefined);
    set fontWeight(value: "normal" | "bold" | "bolder" | "lighter" | number | undefined);
    set lineHeight(value: number | undefined);
    set enableShadow(value: boolean | undefined);
    set shadowOffsetX(value: number | undefined);
    set shadowOffsetY(value: number | undefined);
    set shadowBlur(value: number | undefined);
    set shadowColor(value: string | undefined);
    set enableStroke(value: boolean | undefined);
    set strokeColor(value: string | undefined);
    set strokeThickness(value: number | undefined);
    /**
     * Resolves complete style from primary and fallback sources.
     * @param primary First style to check for each property
     * @param fallback Second style to check if primary is undefined
     * @returns Complete style configuration with all defaults applied
     */
    static resolve(primary?: UITextStyle, fallback?: UITextStyle): UITextStyleConfig;
    /** Sets all properties to default values */
    setDefaults(): void;
    /** Sets all properties to undefined */
    clear(): void;
    /** Copies from another style instance */
    copy(value: UITextStyle): void;
    /**
     * Calculates maximum padding required for stroke and shadow.
     * @returns Padding in pixels needed on all sides
     */
    calculatePadding(): number;
}