/**
 * Schema Registry — maps tool names to Zod schemas for server-level validation.
 *
 * Tools without schemas pass through (logged as warning).
 * Tools WITH schemas get validated before dispatch, producing clean errors
 * instead of runtime crashes from malformed payloads.
 */
/**
 * Resolve a tool name (possibly an alias) to its canonical name.
 */
export declare function resolveToolName(name: string): string;
/**
 * Validate tool arguments against the registered schema.
 * Returns null if valid or no schema exists.
 * Returns error string if validation fails.
 */
export declare function validateToolArgs(name: string, args: Record<string, unknown>): string | null;
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