import type { AddressOrPair, SignerOptions } from '@polkadot/api/types';
import type { Signer as PolkadotSigner } from '@polkadot/api/types';
import type { KeyringPair } from '@polkadot/keyring/types';
/**
 * A signer backed by an external wallet (browser extension, or the CLI's
 * remote-signing bridge). Holds the SS58 address plus a `@polkadot/api`
 * `Signer` that performs the actual `signPayload`/`signRaw`.
 */
export interface InjectedAcurastSigner {
    address: string;
    signer: PolkadotSigner;
}
/**
 * Anything that can sign an Acurast extrinsic. Either a mnemonic-derived
 * `KeyringPair` (Node / CLI default) or an injected wallet signer (browser
 * extension in the Playground, or the CLI remote-signing bridge).
 */
export type AcurastSigner = KeyringPair | InjectedAcurastSigner;
export declare const isInjectedSigner: (signer: AcurastSigner) => signer is InjectedAcurastSigner;
/** SS58 address of the signer, regardless of which kind it is. */
export declare const getSignerAddress: (signer: AcurastSigner) => string;
/**
 * Normalise an {@link AcurastSigner} into the `(account, options)` pair that
 * `@polkadot/api`'s `signAndSend` expects:
 *   - `KeyringPair`        → `(pair, {})`
 *   - injected wallet      → `(address, { signer })`
 *
 * A `KeyringPair` is already a valid `AddressOrPair`, so the mnemonic path is
 * unchanged from before this abstraction existed.
 */
export declare const resolveSigner: (signer: AcurastSigner) => {
    account: AddressOrPair;
    options: Partial<SignerOptions>;
};
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