import type { IUniform, ShaderMaterial } from "three";
import { Matrix3, Matrix4, Texture, Vector2, Vector3, Vector4 } from "three";
import type { UITransparencyMode } from "../UITransparencyMode";
import { UIColor } from "../color/UIColor";
export type UIProperty = Texture | UIColor | Vector2 | Vector3 | Vector4 | Matrix3 | Matrix4 | number;
export type UIPropertyName = "Texture" | "UIColor" | "Vector2" | "Vector3" | "Vector4" | "Matrix3" | "Matrix4" | "number";
export type UIPropertyConstructor = typeof Texture | typeof UIColor | typeof Vector2 | typeof Vector3 | typeof Vector4 | typeof Matrix3 | typeof Matrix4 | NumberConstructor;
export type UIPropertyCopyTo = UIColor | Vector2 | Vector3 | Vector4 | Matrix3 | Matrix4;
export type UIPropertyCopyFrom = UIColor & Vector2 & Vector3 & Vector4 & Matrix3 & Matrix4;
export interface GLTypeInfo {
    glslTypeName: string;
    bufferSize: number;
    instantiable: boolean;
}
export interface GLProperty {
    value: UIProperty;
    glslTypeInfo: GLTypeInfo;
}
export interface PlaneData {
    source: string;
    properties: Record<string, GLProperty>;
    transform: Matrix4;
    visibility: boolean;
    transparency: UITransparencyMode;
}
/** Per-instance HSL adjustment in shader space (matches the instanceHSL attribute). */
export interface HSLAdjustment {
    /** Hue shift in turns (degrees / 360); wrapped with fract() in the shader. */
    h: number;
    /** Saturation multiplier. */
    s: number;
    /** Lightness offset. */
    l: number;
}
export declare function resolveGLSLTypeInfo(value: UIProperty | UIPropertyName | UIPropertyConstructor): GLTypeInfo;
export declare function resolvePropertyUniform(name: string, material: ShaderMaterial): IUniform<UIProperty>;
export declare function arePropertiesPartiallyCompatible(full: Readonly<Record<string, Readonly<GLProperty>>>, partial: Readonly<Record<string, Readonly<GLProperty>>>): boolean;
export declare function convertUIPropertiesToGLProperties(uiProperties: Record<string, UIProperty>): Record<string, GLProperty>;
export declare function cloneProperty<T extends UIProperty>(property: T): T;
export declare function cloneProperties(properties: Record<string, UIProperty>): Record<string, UIProperty>;
export declare function cloneGLProperties(properties: Record<string, GLProperty>): Record<string, GLProperty>;
/** Extracts zIndex from transform matrix (translation.z component) */
export declare function extractZIndex(transform: Matrix4): number;
/** Extracts zIndex from transform buffer at given instance index */
export declare function extractZIndexFromBuffer(buffer: Float32Array, instanceIndex: number): number;
export declare function buildGenericPlaneFragmentShader(uniformDeclarations: string[], varyingDeclarations: string[], source: string, alphaTestValue: number, usePremultipliedAlpha: boolean): string;