import Joi from 'joi';
import { CubeSymbols, CubeDefinition } from './CubeSymbols';
import type { ErrorReporter } from './ErrorReporter';
import { CompilerInterface } from './PrepareCompiler';
export declare const nonStringFields: Set<string>;
export declare function functionFieldsPatterns(): string[];
export declare class CubeValidator implements CompilerInterface {
    protected readonly cubeSymbols: CubeSymbols;
    protected readonly validCubes: Map<string, boolean>;
    constructor(cubeSymbols: CubeSymbols);
    compile(cubes: any, errorReporter: ErrorReporter): Joi.ValidationResult<any>[];
    validate(cube: any, errorReporter: ErrorReporter): Joi.ValidationResult<any>;
    /**
     * Validates that each cube appears only once within each root path in a view.
     * This ensures that there is only one path to reach each cube within each root's join graph.
     * For example: 'a.b.c' + 'd.b.c' is valid (different roots), but 'a.b.c' + 'a.d.c' is invalid (same root 'a').
     */
    private validateUniqueLeafCubes;
    isCubeValid(cube: CubeDefinition): boolean;
}
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