import { Bytes } from './io/bytes.js';
import { Writer } from './io/writer.js';
import { Opcode } from './opcode.js';
/**
 * A single operation in Bitcoin script, either a singular non-pushop code or
 * a `PushOp` with an opcode and data attached.
 **/
export type Op = Opcode | PushOp;
/**
 * An Op that pushes some data onto the stack, will use `opcode` to push the
 * data
 **/
export interface PushOp {
    opcode: Opcode;
    data: Uint8Array;
}
/**
 * Parse a number from a script op.
 * Inverse of pushNumberOp: handles OP_0 (0), OP_1NEGATE (-1), OP_1 through OP_16,
 * single-byte push data, and multi-byte minimal script number encoding (up to 64-bit).
 * Always returns bigint for type safety (matches CScriptNum::getint).
 * @throws Error with descriptive message if the op does not encode a number
 */
export declare function parseNumberFromOp(op: Op): bigint;
/** Returns true if the given object is a `PushOp` */
export declare function isPushOp(op: any): op is PushOp;
/** Read a single Script operation from the bytes */
export declare function readOp(bytes: Bytes): Op;
/** Write a Script operation to the writer */
export declare function writeOp(op: Op, writer: Writer): void;
/** Return an Op that minimally pushes the given bytes onto the stack */
export declare function pushBytesOp(data: Uint8Array): Op;
/**
 * Returns an Op that pushes the minimally encoded byte representation of a
 * number to the stack. The bytes pushed to the stack can be used directly
 * without the need for OP_BIN2NUM.
 */
export declare function pushNumberOp(value: number | bigint): Op;
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