import type { LiveComponent, LiveElement } from '@use-gpu/live';
import type { ElementType, TensorArray, VectorLike, Emitter } from '@use-gpu/core';
export type SamplerProps<S extends string | string[]> = {
    /** Sample count up to [width, height, depth, layers] */
    size?: number[];
    /** Shorthand for size=[length] */
    length?: number;
    /** Axis to sample on (1D) */
    axis?: string;
    /** Axes to sample on (2D+) */
    axes?: string;
    /** Sample origin to maintain alignment to */
    origin?: VectorLike;
    /** WGSL type per sample */
    format?: string;
    /** Input emitter expression */
    expr?: Emitter;
    /** Input range to sample on each axis. Use RangeContext if omitted. */
    range?: [number, number][];
    /** Extra padding samples to add outside the input range. */
    padding?: number;
    /** Emit N items per `expr` call. Output size is `[items, ...size]` if > 1. */
    items?: number;
    /** Emit 0 or N items per `expr` call. Output size is `[N]` or `[items, N]`. */
    sparse?: boolean;
    /** Use centered samples (0.5, 1.5, ..., N-0.5) instead of edge-to-edge samples (0, 1, ..., N). */
    centered?: boolean[] | boolean;
    /** Add current indices `i`, `j`, `k`, `l` to the `expr` arguments. */
    index?: boolean;
    /** Add current `TimeContext` to the `expr` arguments. */
    time?: boolean;
    /** Resample `data` or `expr` on every animation frame. */
    live?: boolean;
    /** Inject into DataContext under this key(s) */
    as?: S;
    /** Omit to provide data context instead. */
    render?: S extends any[] ? (data: Record<ElementType<S>, TensorArray>) => LiveElement : (data: TensorArray) => LiveElement;
    children?: LiveElement | ((S extends any[] ? (data: Record<ElementType<S>, TensorArray>) => LiveElement : (data: TensorArray) => LiveElement));
};
/** Up-to-4D array of a WGSL type. Samples a given `expr` on the given `range`. */
export declare const Sampler: LiveComponent<SamplerProps<unknown & (string | string[])>>;
/** @hidden */
export declare const Sampled: LiveComponent<SamplerProps<string | string[]>>;