import { type Hex } from 'viem';
/** @notice Affine BN254 G1 point (null = point at infinity). */
export type G1 = {
    x: bigint;
    y: bigint;
} | null;
/** @notice Recover Y coordinate from X on BN254 curve (p+1)/4 exponentiation). */
export declare const findYFromX: (x: bigint) => bigint;
/** @notice Compress affine point into 32-byte G1 encoding with sign bit. */
export declare const compressG1FromXY: (x: bigint, y: bigint) => Hex;
/** @notice Parse uncompressed 64-byte G1 encoding into affine point. */
export declare const parseG1Uncompressed: (raw: Hex) => G1;
/** @notice Add two G1 points (handles infinity). */
export declare const pointAdd: (a: G1, b: G1) => G1;
/** @notice Sum many G1 keys into a single affine accumulator. */
export declare const aggregateG1: (keys: Hex[]) => G1;
/** @notice Aggregate and compress many G1 keys, returning compressed bytes. */
export declare const compressAggregatedG1: (keys: Hex[]) => Hex;
/** @notice Compress a raw (compressed or uncompressed) G1 key. */
export declare const compressRawG1: (raw: Hex) => Hex;
/** @notice Compute Keccak256 of bytes, returning a hex string. */
export declare const keccak: (bytes: Uint8Array) => Hex;
/** @notice Parse a compressed or uncompressed G1 key into an affine point. */
export declare const parseKeyToPoint: (raw: Hex) => G1;
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