import { z } from 'zod';
export declare class ParameterValidator {
    private static schemaNameSchema;
    private static tableNameSchema;
    private static columnNameSchema;
    private static databaseNameSchema;
    private static rowLimitSchema;
    private static readonly RESERVED_WORDS;
    private static isReservedWord;
    static validateSchemaName(schema: string): string;
    static validateTableName(tableName: string): string;
    static validateColumnName(columnName: string): string;
    static validateDatabaseName(databaseName: string): string;
    static validateRowLimit(limit: number): number;
    static escapeIdentifier(identifier: string): string;
    static validateQueryParameters(params: {
        query?: string;
        limit?: number;
    }): {
        query: string;
        limit: number;
    };
    static validateTableDescriptionParameters(params: {
        table_name?: string;
        schema?: string;
    }): {
        table_name: string;
        schema: string;
    };
    static validateForeignKeyParameters(params: {
        table_name?: string;
        schema?: string;
    }): {
        table_name?: string;
        schema?: string;
    };
    static validateListTablesParameters(params: {
        schema?: string;
    }): {
        schema?: string;
    };
    static validateParameters<T>(params: any, schema: z.ZodSchema<T>): T;
}
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