/**
 * @name perps/perp-decoders
 * @description Adrena account decoders for Pool, Custody, and Position accounts.
 *
 * All decoders use the official Adrena release/39 ABI layout and read directly
 * from raw account data buffers returned by Solana RPC `getProgramAccounts`.
 *
 * @module perps/perp-decoders
 */
import { Connection, PublicKey } from '@solana/web3.js';
import type { SapMcpContext } from '../../core/src/types.js';
import { type DecodedAdrenaCustody, type DecodedAdrenaPool, type DecodedAdrenaPosition, type PerpMarketProviderRecord } from './perp-constants.js';
export declare function readPublicKey(buf: Buffer, offset: number): string;
/**
 * @name discToBase58
 * @description Convert an 8-byte discriminator Buffer to a base58 string for
 *              use in `getProgramAccounts` memcmp filters.
 *
 * @param disc — 8-byte discriminator Buffer.
 * @returns Base58-encoded string.
 *
 * @internal
 */
export declare function discToBase58(disc: Buffer): string;
/**
 * @name readAdrenaLimitedString
 * @description Read Adrena `LimitedString` (31-byte value + 1-byte length)
 *              from an account data buffer.
 *
 * @param buf    — Source buffer.
 * @param offset — Offset to the LimitedString field.
 * @returns Decoded symbol string, or empty string on failure.
 *
 * @internal
 */
export declare function readAdrenaLimitedString(buf: Buffer, offset: number): string;
export declare function decodeAdrenaPoolAccount(pubkey: PublicKey, data: Buffer): DecodedAdrenaPool | null;
export declare function decodeAdrenaCustodyAccount(pubkey: PublicKey, data: Buffer, pool?: DecodedAdrenaPool): DecodedAdrenaCustody | null;
export declare function decodeAdrenaPositionAccount(pubkey: PublicKey, data: Buffer, marketsByCustody?: Map<string, DecodedAdrenaCustody>): DecodedAdrenaPosition | null;
export declare function readAdrenaMarketsByCustody(context: SapMcpContext, connectionOverride?: Connection): Promise<Map<string, DecodedAdrenaCustody>>;
export declare function getAdrenaProgramId(context: SapMcpContext): PublicKey;
export declare function fetchConfiguredPerpMarkets(context: SapMcpContext, marketFilter: string): Promise<{
    markets: PerpMarketProviderRecord[];
    source: string;
    timestamp?: number;
} | null>;
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