// @holoscript/core/tools — developer tools and integrations
export declare class ErrorFormatter { format(error: unknown): string; [key: string]: unknown; }
export declare class HoloScriptREPL { start(): void; [key: string]: unknown; }
export declare function startREPL(): HoloScriptREPL;
export declare class HotReloadWatcher { watch(path: string): void; [key: string]: unknown; }
export declare class SourceMapGenerator { generate(source: string): string; [key: string]: unknown; }
export declare class MaterialEditor { constructor(config?: unknown); [key: string]: unknown; }
export declare class SceneInspector { constructor(config?: unknown); [key: string]: unknown; }
export declare class VisualEditor { constructor(config?: unknown); [key: string]: unknown; }
export interface MaterialEditorPreset {
  name: string;
  category: string;
  /** Partial PBR material override. Studio adapter consumes a known
   * subset (albedo / emission / blend / roughness / metallic / etc.); the
   * full MaterialDef surface lives in core's runtime. */
  material: {
    albedo?: { r: number; g: number; b: number; a?: number };
    emission?: { r: number; g: number; b: number };
    emissionStrength?: number;
    blendMode?: string;
    roughness?: number;
    metallic?: number;
    doubleSided?: boolean;
    [key: string]: unknown;
  };
  previewColor: string;
}
export type MaterialEditorConfig = unknown;
export type MaterialPreset = unknown;
export declare function getMaterialEditorBuiltinPresets(): MaterialEditorPreset[];
export declare function listMaterialEditorQuickPickPresetNames(): readonly string[];
export declare function listMaterialEditorQuickPickPresetsByCategory(): Map<string, string[]>;
export declare function rgbaToHex(color: { r: number; g: number; b: number; a?: number }): string;