export declare class BaseError extends Error {
    readonly innerError?: unknown;
    /**
     * @param message Message of exception
     * @param innerError Error that is cause of current exception
     */
    constructor(message?: string, innerError?: unknown);
}
export declare class EvaluationError extends BaseError {
    constructor(message: string, innerError?: unknown);
}
export declare class InputRequiredError extends BaseError {
    constructor(input: string);
}
export declare class InvalidAdjustmentOperationError extends BaseError {
    constructor();
}
export declare class InvalidDateSourceError extends BaseError {
    constructor();
}
export declare class InvalidSortDirectionError extends BaseError {
    constructor();
}
export declare class InvalidHashAlgorithmError extends BaseError {
    constructor();
}
export declare class InvalidReducerOperation extends BaseError {
    constructor();
}
/**
 * Throws an `InputRequiredError` if the input is null or undefined
 * @param input The input to validate is not null or undefined.
 * @param inputName The name of the input property/variable.
 */
export declare function requireInput(input: unknown, inputName: string): void;
interface ErrorMessageOptions {
    /**
     * Default message to use if one is not found
     */
    defaultMessage?: string;
    /**
     * Whether to exclude error's name prefixed to message
     */
    excludeErrorName?: boolean;
}
/**
 * Get message from unknown error
 * @param err Unknown error
 * @param opts Additional format options
 * @internal
 */
export declare function getErrorMessage(err: unknown, opts?: ErrorMessageOptions): string;
export {};