import type { DataType, MatrixValue, MatrixArray, MatrixCallback, TypedFunction, SparseMatrixConstructorData } from '../types.js';
/**
 * SparseMatrix interface for algorithm operations.
 * Note: SparseMatrix is always 2D.
 */
interface SparseMatrix {
    _values?: MatrixValue[];
    _index: number[];
    _ptr: number[];
    _size: [number, number];
    _data?: MatrixArray;
    _datatype?: DataType;
    getDataType(): string;
}
/**
 * SparseMatrix constructor interface for creating new sparse matrices.
 */
interface SparseMatrixConstructor {
    new (config: SparseMatrixConstructorData): SparseMatrix;
}
export declare const createMatAlgo07xSSf: import("../../../utils/factory.js").FactoryFunction<{
    typed: TypedFunction;
    SparseMatrix: SparseMatrixConstructor;
}, (a: SparseMatrix, b: SparseMatrix, callback: MatrixCallback) => SparseMatrix>;
export {};
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