import type { FilterSchema, FieldSchema, ComputedFieldSchema, Operator } from '../types';
export declare class SchemaValidationError extends Error {
    field?: string | undefined;
    operator?: string | undefined;
    constructor(message: string, field?: string | undefined, operator?: string | undefined);
}
export declare class SchemaValidator {
    private schema;
    constructor(schema: FilterSchema);
    /**
     * Get field schema, throws if not found or not filterable
     */
    getFieldSchema(fieldName: string): FieldSchema | ComputedFieldSchema;
    /**
     * Validate that operator is allowed for field
     */
    validateOperator(fieldName: string, operator: Operator): void;
    /**
     * Validate and sanitize value according to field schema
     */
    validateValue(fieldName: string, operator: Operator, value: unknown): unknown;
    private validateSingleValue;
    private validateOptions;
    private validateConstraints;
    private validateDateFormat;
    private validateType;
}
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