/**
 * Runestone Builder
 *
 * Minimal Runestone OP_RETURN encoder for single-edict rune transfers.
 * Encodes a Runestone message as an OP_RETURN output script.
 *
 * Protocol spec: https://docs.ordinals.com/runes.html
 */
/**
 * Encode a bigint as unsigned LEB128 bytes.
 */
export declare function encodeLEB128(value: bigint): Uint8Array;
export interface RuneEdict {
    /** Rune ID block height (e.g., 840000) */
    block: bigint;
    /** Rune ID transaction index within block */
    txIndex: bigint;
    /** Amount of runes to transfer (in smallest unit) */
    amount: bigint;
    /** Output index to send runes to */
    outputIndex: number;
}
export interface RunestoneOptions {
    edict: RuneEdict;
    /** Output index for remaining rune balance (change pointer) */
    changeOutput: number;
}
/**
 * Build a Runestone OP_RETURN script for a single-edict rune transfer.
 * Always includes an explicit change pointer to avoid burning remaining runes.
 */
export declare function buildRunestoneScript(options: RunestoneOptions): Uint8Array;
/**
 * Parse a rune ID string (e.g., "840000:1") into block and tx components.
 */
export declare function parseRuneId(runeId: string): {
    block: bigint;
    txIndex: bigint;
};
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