import { BufferAttribute } from '../../thirdparty/three/imports';
import { Usage } from '../../thirdparty/three/polyfills/constants/Usage';
export declare class BufferAttribute3D {
    get _bufferAttribute(): BufferAttribute;
    set _bufferAttribute(v: BufferAttribute);
    protected __bufferAttribute: BufferAttribute;
    setXYZ(index: number, x: number, y: number, z: number): this;
    setX(index: number, x: number): this;
    getY(index: number): number;
    setY(index: number, x: number): this;
    setZ(index: number, x: number): this;
    get count(): number;
    set needsUpdate(v: boolean);
    get array(): number[];
    constructor(array?: ArrayLike<number>, itemSize?: number, normalized?: boolean);
    get usage(): "StaticDrawUsage" | "DynamicDrawUsage" | "StreamDrawUsage" | "StaticReadUsage" | "DynamicReadUsage" | "StreamReadUsage" | "StaticCopyUsage" | "DynamicCopyUsage" | "StreamCopyUsage";
    set usage(v: "StaticDrawUsage" | "DynamicDrawUsage" | "StreamDrawUsage" | "StaticReadUsage" | "DynamicReadUsage" | "StreamReadUsage" | "StaticCopyUsage" | "DynamicCopyUsage" | "StreamCopyUsage");
    setUsage(usage: Usage): this;
    static get(bufferAttribute: BufferAttribute): BufferAttribute3D;
    protected static _map: Map<BufferAttribute, BufferAttribute3D>;
}
export declare class Float32BufferAttribute3D extends BufferAttribute3D {
    constructor(array: number | Iterable<number> | ArrayLike<number> | ArrayBuffer, itemSize: number, normalized?: boolean);
}
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