/**
 * @name tools/phoenix/phoenix-helpers
 * @description Shared helpers for Phoenix tool modules.
 *
 * @module tools/phoenix/phoenix-helpers
 */
import { PublicKey, Connection } from '@solana/web3.js';
import type { SapMcpContext } from '../../../core/src/types.js';
export interface JsonSchemaProperty {
    readonly type: string;
    readonly description: string;
    readonly enum?: readonly string[];
    readonly minimum?: number;
    readonly maximum?: number;
}
export interface JsonSchema {
    readonly type: 'object';
    readonly properties: Record<string, JsonSchemaProperty>;
    readonly required?: readonly string[];
    readonly additionalProperties?: boolean;
}
export declare function getConnection(context: SapMcpContext): Connection;
/**
 * Parse a string into a PublicKey, rejecting abbreviated/truncated addresses.
 * Base58 Solana addresses are 32-44 chars, no dots, no ellipsis.
 */
export declare function parsePublicKey(value: string): PublicKey;
/** Returns trimmed authority or null if missing/undefined/null/abbreviated. */
export declare function validateAuthority(input: {
    authority?: unknown;
}): string | null;
/** Default Phoenix perp symbols. */
export declare const PHOENIX_SYMBOLS: readonly ["SOL", "BTC", "ETH", "BNB"];
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