interface AudioWorkletProcessor { readonly port: MessagePort; process( inputs: Float32Array[][], outputs: Float32Array[][], parameters: Record ): boolean; } declare var AudioWorkletProcessor: { prototype: AudioWorkletProcessor; new (options?: AudioWorkletNodeOptions): AudioWorkletProcessor; }; declare function registerProcessor( name: string, processorCtor: (new ( options?: AudioWorkletNodeOptions ) => AudioWorkletProcessor) & { parameterDescriptors?: AudioParamDescriptor[]; } ):void; declare module '*.txt' { const content: string; export default content; }