import { AgentBackend } from './protocol';
import { ContactChannel, FunctionCall, FunctionCallSpec, FunctionCallStatus, HumanContact, HumanContactSpec } from './models';
import { HumanLayerCloudConnection } from './cloud';
export declare enum ApprovalMethod {
    cli = "cli",
    backend = "backend"
}
export declare const humanlayer: (params?: HumanLayerParams) => HumanLayer;
export interface HumanLayerParams {
    runId?: string;
    approvalMethod?: ApprovalMethod;
    backend?: AgentBackend;
    agentName?: string;
    genid?: (prefix: string) => string;
    sleep?: (ms: number) => Promise<void>;
    contactChannel?: ContactChannel;
    apiKey?: string;
    apiBaseUrl?: string;
    verbose?: boolean;
    httpTimeoutSeconds?: number;
}
export declare class HumanLayer {
    approvalMethod: ApprovalMethod;
    backend?: AgentBackend;
    runId: string;
    agentName: string;
    genid: (prefix: string) => string;
    sleep: (ms: number) => Promise<void>;
    contactChannel?: ContactChannel;
    verbose?: boolean;
    constructor(params?: HumanLayerParams);
    static cloud(params?: {
        connection?: HumanLayerCloudConnection;
        apiKey?: string;
        apiBaseUrl?: string;
    }): HumanLayer;
    static cli(): HumanLayer;
    requireApproval<TFn extends Function>(contactChannel?: ContactChannel): (fn: TFn) => TFn;
    approveCli<TFn extends Function>(fn: TFn): TFn;
    approveWithBackend<TFn extends Function>(fn: TFn, contactChannel?: ContactChannel): TFn;
    humanAsTool(contactChannel?: ContactChannel): ({ message }: {
        message: string;
    }) => Promise<string>;
    humanAsToolCli(): ({ message }: {
        message: string;
    }) => Promise<string>;
    humanAsToolBackend(contactChannel?: ContactChannel): ({ message }: {
        message: string;
    }) => Promise<string>;
    fetchHumanResponse({ spec }: {
        spec: HumanContactSpec;
    }): Promise<string>;
    createHumanContact({ spec }: {
        spec: HumanContactSpec;
    }): Promise<HumanContact>;
    getHumanContact(call_id: string): Promise<HumanContact>;
    fetchHumanApproval({ spec }: {
        spec: FunctionCallSpec;
    }): Promise<FunctionCallStatus>;
    createFunctionCall({ spec }: {
        spec: FunctionCallSpec;
    }): Promise<FunctionCall>;
    getFunctionCall(call_id: string): Promise<FunctionCall>;
}