import { PipeTransform } from '@angular/core';
import { AngularDataContext } from '@themost/angular';
import { ConfigurationService } from './configuration.service';
import * as i0 from "@angular/core";
export declare function round(x: any, n?: number): number;
export declare class GradeScale {
    private _locale;
    private scale;
    id?: number;
    name?: string;
    scaleType?: number;
    scaleFactor?: number;
    scaleBase?: number;
    formatPrecision: number;
    scalePrecision: number;
    values?: any[];
    private _formatter;
    private readonly _decimalCharRegExp;
    constructor(_locale: string, scale?: any);
    /**
     * Formats the specified based on this grade scale and returns the formatted value
     * @param {number} grade
     * @returns string
     */
    format(grade: number): string;
    /**
     * Converts the given grade to the equivalent grade value base on this grade scale
     * @param grade
     */
    convert(grade: any): number | undefined;
}
export declare class GradeScaleService {
    private _context;
    private _configurationService;
    private _gradeScales?;
    constructor(_context: AngularDataContext, _configurationService: ConfigurationService);
    /**
     * Gets all the available grade scales
     */
    getGradeScales(): Promise<any>;
    /**
     * Gets a grade scale based on the given identifier
     * @param {*} id
     */
    getGradeScale(id: any): Promise<GradeScale | undefined>;
    static ɵfac: i0.ɵɵFactoryDeclaration<GradeScaleService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GradeScaleService>;
}
export declare class GradePipe implements PipeTransform {
    private _gradeScaleService;
    constructor(_gradeScaleService: GradeScaleService);
    transform(value: any, gradeScale?: any): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<GradePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<GradePipe, "grade", false>;
}