/**
 * Runtime Input Validation
 *
 * Validates parameters before sending to Telegram API.
 * Uses Zod for schema validation with:
 * - Lazy loading of schemas (only loaded when first used)
 * - Reusable base schemas for common types
 * - Method-specific schemas for priority methods
 * - Lenient mode (.passthrough) for forward compatibility
 * - Clear, actionable error messages
 */
import { type ZodType } from "zod";
declare function getChatIdSchema(): ZodType;
declare function getUserIdSchema(): ZodType;
declare function getMessageIdSchema(): ZodType;
declare function getMessageTextSchema(): ZodType;
declare function getCaptionSchema(): ZodType;
declare function getParseModeSchema(): ZodType;
declare function getBooleanSchema(): ZodType;
declare function getFileSchema(): ZodType;
declare function getReplyMarkupSchema(): ZodType;
declare function getReplyParametersSchema(): ZodType;
export interface ValidationSuccess {
    success: true;
    data: Record<string, unknown>;
}
export interface ValidationError {
    success: false;
    error: string;
    details?: Array<{
        path: string;
        message: string;
    }>;
}
export type ValidationResult = ValidationSuccess | ValidationError;
/**
 * Validate parameters for a Telegram API method
 *
 * @param method - API method name (e.g., "sendMessage")
 * @param params - Parameters to validate
 * @returns ValidationResult with success/error status
 */
export declare function validateParams(method: string, params: Record<string, unknown>): ValidationResult;
/**
 * Check if a method has a validation schema defined
 */
export declare function hasSchema(method: string): boolean;
/**
 * Get list of methods with validation schemas
 */
export declare function getValidatedMethods(): string[];
/**
 * Get current schema loading statistics (for debugging)
 */
export declare function getSchemaStats(): {
    defined: number;
    loaded: number;
};
export { getChatIdSchema, getUserIdSchema, getMessageIdSchema, getMessageTextSchema, getCaptionSchema, getParseModeSchema, getBooleanSchema, getFileSchema, getReplyMarkupSchema, getReplyParametersSchema, };
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