import { z } from 'zod';
import type { ExpressionValidationContext, RefExpressionParseResult, RefExpressionWarning } from '#src/references/expression-types.js';
import { RefExpressionParser } from '#src/references/expression-types.js';
/**
 * A test parser that always returns a configurable set of warnings.
 *
 * Used to test expression validation infrastructure without needing
 * real expression parsing logic.
 *
 * @example
 * ```typescript
 * const parser = new WarningParser([{ message: 'Field not found' }]);
 * const schema = ctx.withExpression(parser);
 * ```
 */
export declare class WarningParser extends RefExpressionParser<string, string> {
    readonly name = "warning-parser";
    private readonly warningsToReturn;
    constructor(warnings: RefExpressionWarning[]);
    createSchema(): z.ZodType<string>;
    parse(value: string): RefExpressionParseResult<string>;
    getWarnings(_parseResult: string, _context: ExpressionValidationContext): RefExpressionWarning[];
    getReferencedEntities(): [];
}
/**
 * A test parser whose parse() returns a failure result.
 *
 * Used to test that expression validation gracefully handles parse failures.
 */
export declare class FailingParser extends RefExpressionParser<string, never> {
    readonly name = "failing-parser";
    createSchema(): z.ZodType<string>;
    parse(): RefExpressionParseResult<never>;
    getWarnings(): RefExpressionWarning[];
    getReferencedEntities(): [];
}
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