/**
 * WASM escape hatch -- capability detection, module loading, and dispatch.
 *
 * Detects WebAssembly availability, loads the czap-compute WASM module,
 * and provides a unified kernel interface that transparently falls back
 * to pure TypeScript implementations when WASM is unavailable.
 *
 * Usage:
 *   const kernels = WASMDispatch.kernels();        // TS fallbacks
 *   await WASMDispatch.load(wasmUrl);               // upgrade to WASM
 *   const kernels2 = WASMDispatch.kernels();        // now WASM-backed
 *
 * @module
 */
/** Kernel functions available from both WASM and TS fallback. */
export interface WASMKernels {
    /**
     * Sample a spring easing at `samples` evenly-spaced points in [0, 1].
     * Returns Float32Array of length `samples + 1`.
     */
    springCurve(stiffness: number, damping: number, mass: number, samples: number): Float32Array;
    /**
     * Batch boundary evaluation. For each value, returns the index of the
     * highest threshold where `value >= threshold`.
     * Thresholds must be sorted ascending.
     */
    batchBoundaryEval(thresholds: Float64Array, values: Float64Array): Uint32Array;
    /**
     * Normalize weights in-place so positive values sum to 1.0.
     * Negative weights clamped to 0. Returns the (modified) input array.
     */
    blendNormalize(weights: Float32Array): Float32Array;
}
/**
 * Public API of the {@link WASMDispatch} singleton: probe for WebAssembly,
 * asynchronously load the Rust compute module, and hand back either WASM or
 * {@link fallbackKernels} via {@link WASMDispatchAPI.kernels}.
 */
export interface WASMDispatchAPI {
    detect(): boolean;
    load(wasmUrl: string | ArrayBuffer): Promise<WASMKernels>;
    kernels(): WASMKernels;
    isLoaded(): boolean;
    unload(): void;
}
/**
 * WASMDispatch — singleton that wires the Rust compute crate (spring, boundary,
 * blend kernels) into the runtime, falling back to {@link fallbackKernels}
 * when WebAssembly is unavailable or the module fails to load.
 */
export declare const WASMDispatch: WASMDispatchAPI;
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