/**
 * Paper 6 foot-Y preprocessing and playback-sampling publication runner.
 *
 * Produces the D.011 ablation artifact cited by
 * research/paper-6-animation-sca.tex. The harness uses the
 * shipped MixamoRetargeter and applies a deterministic foot-Y normalization
 * post-pass, then compares aligned position channels against retarget-only and
 * raw-position variants. Timings cover playback sampling only; preprocessing
 * is intentionally outside the timed region.
 */
export interface Paper6AblationRow {
    readonly variant: 'foot-y-normalized' | 'retarget-only' | 'raw-position-only';
    readonly sample_only_per_frame_us_median: number;
    readonly sample_only_per_frame_us_min: number;
    readonly sample_only_per_frame_us_max: number;
    readonly sampled_tracks: number;
    readonly comparison_hash: string;
    readonly reference_hash_equal: boolean;
    readonly max_position_l1_vs_reference: number;
}
export interface Paper6AblationArtifact {
    readonly schema_version: 'paper-6-ablation-v2';
    readonly benchmark: 'paper-6-ablation-publication';
    readonly paper_ref: 'research/paper-6-animation-sca.tex';
    readonly harness: 'packages/engine/src/animation/paper/benchmarks/p6-ablation-publication.ts';
    readonly source_clip_id: string;
    readonly frames: number;
    readonly iterations_per_round: number;
    readonly warmup_iterations: number;
    readonly timing_rounds: number;
    readonly sampling_contract: 'full-clip-playback+quaternion-nlerp[x,y,z,w]';
    readonly comparison_contract: 'aligned-position[x,y,z]-in-source-bone-order';
    readonly timing_contract: string;
    readonly comparability_note: string;
    readonly environment: {
        readonly execution: 'single-process-cpu-javascript';
        readonly os: string;
        readonly arch: string;
        readonly cpu_model: string;
        readonly logical_cores: number;
        readonly node: string;
    };
    readonly rows: readonly Paper6AblationRow[];
    readonly measured_at: string;
}
export declare function runPaper6AblationBenchmark(): Paper6AblationArtifact;
export declare function writePaper6AblationArtifact(artifact: Paper6AblationArtifact, outPath?: string): void;
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