/**
 * @hidden
 * @packageDocumentation
 */
import { SympyToken } from "./sympy-parser";
/**
 * Implement it to wrap any http client
 * @category API
 */
export interface HttpClient {
    requestAsync<Request, Response>(method: 'GET' | 'POST', url: string, content?: Request, callback?: (response: Response) => void, errorCallback?: (err: any) => void): void;
}
/**
 * Error codes of Sympy client
 * @category Model
 */
export declare enum SympyErrorCode {
    /**
     * sympy can't parse at least one of the passed expressions
     */
    BAD_ARGUMENT = "BAD_ARGUMENT",
    /**
     * sympy methods or function failed
     */
    METHOD_FAILURE = "METHOD_FAILURE",
    /**
     * No method/function with the given name exists
     */
    BAD_METHOD = "BAD_METHOD",
    /**
     * Internet connectivity error or bad name of the math processor server
     */
    CONNECTION_ERROR = "CONNECTION_ERROR"
}
/**
 * When calling the async methods of sympy clients, catch this error
 * It will be thrown when sympy REST service is not reachable (CONNECTION_ERROR)
 * When the request has bad format (BAD_ARGUMENT and BAD_METHOD)
 * And when sympy was not able to proceed for some internal reason (METHOD_FAILURE)
 *
 * @category Model
 */
export declare class SympyError extends Error {
    /**
     * Error code
     */
    readonly code: SympyErrorCode;
    /**
     * Human readable message
     */
    readonly message: string;
    /**
    * @hidden
    */
    constructor(code: SympyErrorCode, message: string);
}
/**
 * When calling the async methods of sympy clients, catch this error.
 * It will be thrown when sympy was able to proceed your request, but we was not able to understand its respond.
 * Probably we should support some yet unsupported Sympy construction
 * You should also be able to get latex from Sympy for the construction returned (as we do not have to understand it in this case)
 *
 * @category Model
 */
export declare class UnsupportedSympyConstruction extends Error {
    /**
     * The name of unsupported construction
     */
    readonly name: string;
    /**
     * @hidden
     */
    wholeExpression: SympyToken;
    /**
    * @hidden
    */
    constructor(name: string, message: string);
    get preparedSympyCall(): PreparedSympyCall;
}
/**
 * Treat it as a blackbox, contained prepared call for sympy
 *
 * @category Model
 */
export declare class PreparedSympyCall {
    /**
     * @hidden
     */
    readonly token: SympyToken;
    /**
    * @hidden
    */
    constructor(token: SympyToken);
    /**
     * @returns the prepared expression in Sympy language
     */
    stringify(): string;
}
/**
 *
 * Reflects if two expressions are eqivalent
 * @category Model
 */
export declare enum Equiv {
    /**
     * expressions are literally identical
     */
    identical = "identical",
    /**
     * expressions become equal when you do some algebra transformation
     */
    equiv = "equiv",
    /**
     * expression become equal only if you apply calculus transformation (like integrating, differentiating or calculating limit)
     */
    equivCalc = "equivCalc",
    /**
     * expressions are not equivalent
     */
    different = "different"
}
/**
 * Tell which one of two expressions is simpler than the other
 * @category Model
 */
export declare enum Simpler {
    /**
     * you have to simplify the second expression more than the first in order to make them identical
     */
    first = "first",
    /**
     * you have to simplify the first expression more than the second in order to make them identical
     */
    second = "second",
    /**
     * returned when the expressions are identical
     */
    none = "none",
    /**
     * you have to simplify both expressions to make them identical and these simplifications are both algebraic or both calulus
     */
    unknown = "unknown"
}
/**
 * Return class for checking equivalence of two expressions
 * @category Model
 */
export declare class EquivResponse {
    /**
     * Reflects if the expressions were equivalent
     */
    eq: Equiv;
    /**
     * Shows which of the expressions is simpler
     */
    si: Simpler;
    /**
     * @hidden
     */
    constructor(eq: Equiv, si: Simpler);
}
/**
 * Blackbox class for plot intervals use {@link SympyClient.preparePlotInterval} to create it
 * @category Model
 */
export declare class PlotInterval {
    /**
     * @hidden
     */
    variable: PreparedSympyCall;
    /**
   * @hidden
   */
    from: PreparedSympyCall;
    /**
   * @hidden
   */
    to: PreparedSympyCall;
    /**
   * @hidden
   */
    constructor(variable: PreparedSympyCall, from: PreparedSympyCall, to: PreparedSympyCall);
    /**
     * @returns the interval as a Sympy tuple.
     */
    asSympyTuple(): string;
}
/**
 * Parameters for 2d plots.
 * Please refer to [sympy documentation](https://docs.sympy.org/latest/modules/plotting.html) for details.
 * @category Model
 */
export declare class Plot2dParams {
    adaptive?: boolean;
    depth?: number;
    nb_of_points?: number;
    line_color?: number;
    title?: string;
    xlabel?: string;
    ylabel?: string;
    xscale?: 'linear' | 'log';
    yscale?: 'linear' | 'log';
    axis_center?: number[];
    xlim?: number[];
    ylim?: number[];
}
/**
 * Parameters for 3d plots.
 * Please refer to [sympy documentation](https://docs.sympy.org/latest/modules/plotting.html) for details.
 * @category Model
 */
export declare class Plot3dParams {
    nb_of_points_x?: number;
    nb_of_points_y?: number;
    title?: string;
}