import type { TypedFunction } from '../../core/function/typed.js';
interface MatrixConstructor {
    (data: unknown[] | unknown[][], storage?: 'dense' | 'sparse'): DenseMatrix | SparseMatrix;
}
interface DenseMatrix {
    type: 'DenseMatrix';
    isDenseMatrix: true;
    _data: unknown[][];
    _size: number[];
    _datatype?: string;
    valueOf(): unknown[][];
}
interface SparseMatrix {
    type: 'SparseMatrix';
    isSparseMatrix: true;
    _values?: unknown[];
    _index?: number[];
    _ptr?: number[];
    _size: number[];
    _datatype?: string;
    _data?: unknown;
    valueOf(): unknown[][];
}
interface DenseMatrixConstructor {
    new (data: {
        data: unknown[][];
        size: number[];
        datatype?: string;
    }): DenseMatrix;
}
interface LUPDecomposition {
    L: DenseMatrix | SparseMatrix | unknown[][];
    U: DenseMatrix | SparseMatrix | unknown[][];
    p: number[] | null;
    q?: number[] | null;
}
interface LupFunction {
    (matrix: DenseMatrix | SparseMatrix | unknown[][]): LUPDecomposition;
}
interface SluFunction {
    (matrix: SparseMatrix, order: number, threshold: number): LUPDecomposition;
}
interface LsolveFunction {
    (L: DenseMatrix | SparseMatrix, b: DenseMatrix): DenseMatrix;
}
interface UsolveFunction {
    (U: DenseMatrix | SparseMatrix, b: DenseMatrix): DenseMatrix;
}
interface Dependencies {
    typed: TypedFunction;
    matrix: MatrixConstructor;
    lup: LupFunction;
    slu: SluFunction;
    usolve: UsolveFunction;
    lsolve: LsolveFunction;
    DenseMatrix: DenseMatrixConstructor;
}
export declare const createLusolve: import("../../utils/factory.js").FactoryFunction<Dependencies, unknown>;
export {};
//# sourceMappingURL=lusolve.d.ts.map