export interface HostPort {
    host: string;
    port: number;
}
export declare function parseHostPort(input: string): HostPort;
/** F2: Non-throwing variant — returns null on invalid input. */
export declare function tryParseHostPort(input: string): HostPort | null;
export declare function formatHostPort(hp: HostPort): string;
/** Derive tpu_quic endpoint from a plain tpu endpoint per Solana convention. */
export declare function tpuQuicFromTpu(tpu: string): string;
/** Resolve best TPU-QUIC address from a gossip ContactInfo shape.
 *  Returns null if neither field is present OR if the resolved addr is unparseable. */
export declare function resolveTpuQuicAddr(contact: {
    tpuQuic?: string | null;
    tpu?: string | null;
}): string | null;
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