/**
 * Proton CLI wrapper.
 *
 * Shells out to the `proton` CLI for all transaction signing. The agent
 * process never touches private keys — they live exclusively in the CLI's
 * keychain.
 *
 * Used by:
 *   - openclaw/src/session.ts (createCliSession factory)
 *   - openclaw/src/cli-session.ts (createCliApi factory)
 *   - openclaw/starter/agent/skills/* (via @xpr-agents/openclaw)
 */
export type CliErrorCode = 'network' | 'auth' | 'serialization' | 'reverted' | 'unknown';
export declare class ProtonCliError extends Error {
    readonly code: CliErrorCode;
    readonly stderr: string;
    constructor(message: string, code: CliErrorCode, stderr: string);
}
export interface CliAction {
    account: string;
    name: string;
    authorization: Array<{
        actor: string;
        permission: string;
    }>;
    data: Record<string, unknown>;
}
export interface CliTransactionResult {
    transaction_id: string;
    processed?: unknown;
}
export interface TableQueryOpts {
    limit?: number;
    lower_bound?: string;
    upper_bound?: string;
    reverse?: boolean;
    index_position?: number;
    key_type?: string;
}
/**
 * Sign and submit a single action via `proton action`.
 *
 * @param contract - Contract account (e.g. 'agentescrow')
 * @param action - Action name (e.g. 'createjob')
 * @param data - Positional args matching the contract's action ABI
 * @param authorization - "account@permission" string (e.g. "alice@active")
 */
export declare function execAction(contract: string, action: string, data: unknown[], authorization: string): Promise<CliTransactionResult>;
/**
 * Sign and submit a multi-action atomic transaction via `proton transaction:push`.
 *
 * NOTE: do NOT use the bare `proton transaction` command — it does not
 * JSON.parse its argument (bug in @proton/cli). Use `transaction:push` exclusively.
 */
export declare function execTransactionPush(tx: {
    actions: CliAction[];
}): Promise<CliTransactionResult>;
/**
 * Read-only table query via `proton table`. No signing required.
 */
export declare function getTableRows(code: string, table: string, scope?: string, opts?: TableQueryOpts): Promise<unknown>;
/**
 * Verify the proton CLI is installed and on PATH. Used by startup checks.
 */
export declare function checkProtonCli(): Promise<boolean>;
/**
 * Verify the proton CLI keychain has at least one key registered.
 * Soft check — this doesn't verify any specific account, just that
 * a keychain exists. The CLI itself will fail with auth code if the
 * specific account's key is missing.
 */
export declare function checkKeychainPopulated(): Promise<boolean>;
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