import { DTypeGpu, GPUTensorConstructor, GPUTensorI } from '../../../tensor/gpu/interface';
import { GPUMemoryAllocator } from '../../../tensor/gpu/memory';
import { Input } from '../operation';
import { BinaryOperation, BinaryOpInfo, BinaryOpInput } from './binaryOperation';
export interface SubtractInfo extends BinaryOpInfo {
    alpha?: number;
    beta?: number;
}
export interface SubtractInput extends BinaryOpInput {
    alpha: number;
    beta: number;
}
export declare class SubtractOperation<GPUTensor extends GPUTensorI> extends BinaryOperation<GPUTensor, SubtractInfo, SubtractInput> {
    constructor(tensorConstructor: GPUTensorConstructor<GPUTensor>, dtype: DTypeGpu, allocator?: GPUMemoryAllocator);
    getOp(a: string, b: string): string;
    calc(input: SubtractInput): GPUTensor;
    getVariables(): string;
    getUniformAttrs(): Input[];
    getCompilationInfo(input: SubtractInput): SubtractInfo;
    getInputInfoString(input: SubtractInput): string;
}