import { BarretenbergWasm, BarretenbergWorker } from '../wasm/index.js';
import { Fft, FftFactory } from './fft.js';
export declare class SingleFft implements Fft {
    private wasm;
    private domainPtr;
    constructor(wasm: BarretenbergWorker | BarretenbergWasm);
    init(circuitSize: number): Promise<void>;
    destroy(): Promise<void>;
    fft(coefficients: Uint8Array, constant: Uint8Array): Promise<Uint8Array>;
    ifft(coefficients: Uint8Array): Promise<Uint8Array>;
}
export declare class SingleFftFactory implements FftFactory {
    private wasm;
    private ffts;
    constructor(wasm: BarretenbergWorker | BarretenbergWasm);
    createFft(circuitSize: number): Promise<Fft>;
    destroy(): Promise<void>;
}
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