import type { HyperplaneSlice4 } from '../projection/slice.js';
import type { FieldEvaluation4, ImplicitField4 } from './types.js';
export type GridShape3 = readonly [number, number, number];
export type Point3 = readonly [number, number, number];
export interface FieldSampleBatch<Record extends FieldEvaluation4 = FieldEvaluation4> {
    readonly count: number;
    /** Full family-specific records in deterministic sample order. */
    readonly records: readonly Record[];
    readonly values: Float64Array;
    readonly potentials: Float64Array;
    readonly distances: Float64Array;
    readonly iterations: Uint32Array;
    readonly escaped: Uint8Array;
    readonly finalPoints: Float64Array;
    readonly escapedCount: number;
    readonly valueRange: readonly [number, number];
}
export interface SampleFieldSlice3Options {
    resolution: number | GridShape3;
    /** Symmetric slice-frame extent, shorthand for min/max on all axes. */
    extent?: number;
    min?: Point3;
    max?: Point3;
    /** Safety cap. Default 2,000,000 samples. */
    maxSamples?: number;
}
export interface SampledFieldSlice3<Record extends FieldEvaluation4 = FieldEvaluation4> extends FieldSampleBatch<Record> {
    readonly shape: GridShape3;
    readonly min: Point3;
    readonly max: Point3;
    readonly step: Point3;
    readonly slice: HyperplaneSlice4;
}
/** Direct packed-point probe for tests, scripts, and CPU/GPU comparison. */
export declare function sampleFieldPoints4<Record extends FieldEvaluation4>(field: ImplicitField4<Record>, positions: Float64Array | readonly number[]): FieldSampleBatch<Record>;
/** Evaluate a field on a regular grid in an affine three-dimensional slice. */
export declare function sampleFieldSlice3<Record extends FieldEvaluation4>(field: ImplicitField4<Record>, slice: HyperplaneSlice4, { resolution, extent, min, max, maxSamples }: SampleFieldSlice3Options): SampledFieldSlice3<Record>;
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