/**
 * Adapter Contract Validation
 *
 * Validates that an object implements the Adapter interface correctly.
 * Checks for required methods, optional methods, and proper signatures.
 */
import type { Adapter } from "@wavespec/types";
/**
 * Validation result
 *
 * Indicates whether validation passed and provides detailed error messages.
 */
export interface ValidationResult {
    /** Whether validation passed */
    valid: boolean;
    /** Validation error messages (if any) */
    errors: string[];
}
/**
 * Adapter contract validator
 *
 * Validates that an object conforms to the Adapter interface contract.
 * Checks for required properties (name, version, run) and optional methods
 * (handshake, connect, disconnect, isConnected, preValidate, stream, reset).
 *
 * @param adapter - The object to validate as an Adapter
 * @returns Validation result with detailed error messages
 *
 * @example
 * ```typescript
 * const result = validateAdapterContract(myAdapter);
 * if (!result.valid) {
 *   console.error("Adapter validation failed:");
 *   result.errors.forEach(err => console.error(`  - ${err}`));
 * }
 * ```
 */
export declare function validateAdapterContract(adapter: unknown): ValidationResult;
/**
 * Type guard for Adapter interface
 *
 * Checks if an object implements the Adapter interface.
 * This is a runtime check that performs full contract validation.
 *
 * @param adapter - The object to check
 * @returns True if the object is a valid Adapter
 *
 * @example
 * ```typescript
 * if (isAdapter(obj)) {
 *   // TypeScript now knows obj is an Adapter
 *   await obj.run(spec, ctx);
 * }
 * ```
 */
export declare function isAdapter(adapter: unknown): adapter is Adapter;
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