import type { RectangleLike, TextureAtlas, TextureAtlasRegion, TextureAtlasRegionLike, Texture2D, TextureAtlasRegionTextureExplanation, TextureAtlasRegionTextureGuard, Vector2Like } from '@flighthq/types/contract';
export declare function addTextureAtlasRegion(target: TextureAtlas, x: number, y: number, width: number, height: number, pivotX?: number, pivotY?: number, name?: string): void;
export declare function addTextureAtlasRegionCorners(target: TextureAtlas, ax: number, ay: number, bx: number, by: number, pivotX?: number, pivotY?: number, name?: string): void;
export declare function addTextureAtlasRegionRectangle(target: TextureAtlas, rect: Readonly<RectangleLike>, pivot?: Readonly<Vector2Like>, name?: string): void;
export declare function addTextureAtlasRegionVector2(target: TextureAtlas, a: Readonly<Vector2Like>, b: Readonly<Vector2Like>, pivot?: Readonly<Vector2Like>, name?: string): void;
export declare function buildTextureAtlasRegionIndex(atlas: Readonly<TextureAtlas>): Map<string, TextureAtlasRegion>;
export declare function clearTextureAtlasRegions(target: TextureAtlas): void;
export declare function createTextureAtlasRegion(obj?: Partial<TextureAtlasRegionLike>): TextureAtlasRegion;
export declare function explainTextureAtlasRegionTexture(atlas: Readonly<TextureAtlas>, regionId: number): TextureAtlasRegionTextureExplanation;
export declare function getTextureAtlasRegionById(atlas: Readonly<TextureAtlas>, id: number): TextureAtlasRegion | null;
export declare function getTextureAtlasRegionByName(atlas: Readonly<TextureAtlas>, name: string): TextureAtlasRegion | null;
export declare function getTextureAtlasRegionByOrdinal(atlas: Readonly<TextureAtlas>, prefix: string, ordinal: number): TextureAtlasRegion | null;
export declare function getTextureAtlasRegionCount(atlas: Readonly<TextureAtlas>): number;
export declare function getTextureAtlasRegionFrame(region: Readonly<TextureAtlasRegion>, out: RectangleLike): RectangleLike;
export declare function getTextureAtlasRegionOrdinal(region: Readonly<TextureAtlasRegion>): number;
export declare function getTextureAtlasRegionSequence(atlas: Readonly<TextureAtlas>, prefix: string, out: TextureAtlasRegion[]): TextureAtlasRegion[];
export declare function getTextureAtlasRegionTexture(atlas: Readonly<TextureAtlas>, regionId: number): Texture2D | null;
export declare function getTextureAtlasRegionUv(region: Readonly<TextureAtlasRegion>, imageWidth: number, imageHeight: number, out: RectangleLike): RectangleLike;
export declare function getTextureAtlasRegionUvQuad(region: Readonly<TextureAtlasRegion>, imageWidth: number, imageHeight: number, out: number[]): number[];
export declare function hasTextureAtlasRegion(atlas: Readonly<TextureAtlas>, name: string): boolean;
export declare function removeTextureAtlasRegion(target: TextureAtlas, id: number): boolean;
export declare function setTextureAtlasRegion(out: TextureAtlasRegion, source: Readonly<Partial<TextureAtlasRegionLike>>): void;
export declare function setTextureAtlasRegionTextureGuard(guard: TextureAtlasRegionTextureGuard | null): void;
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