import type { Runtime, OperationSpec, OperationContext, OperationResultNormalized, DataSourceRuntimeConfig, AuthState, EnvelopeAdapter, PaginationAdapter } from "../../ir/frontend-contract.js";
/**
 * Headless Runtime Implementation (Phase 0 Prototype)
 */
export declare class BaseRuntime implements Runtime {
    private datasources;
    private operations;
    private adapters;
    private strategies;
    private authStates;
    private text;
    constructor(datasources: DataSourceRuntimeConfig[], operations: OperationSpec[], adapters: {
        envelope: EnvelopeAdapter[];
        pagination: PaginationAdapter[];
    }, strategies: {
        auth: any;
        csrf: any;
    }, runtimeText?: Record<string, string>);
    private t;
    getDataSource(dsId: string): DataSourceRuntimeConfig;
    getAuthState(dsId: string): AuthState;
    setAuthState(dsId: string, state: AuthState): void;
    execute(operationId: string, input: unknown, ctx: OperationContext): Promise<OperationResultNormalized>;
    private normalizeError;
    private normalizePayloadError;
    private normalizeException;
    private listeners;
    on(event: string, fn: Function): () => void;
    emit(event: string, payload: any): void;
    private handleResultSignals;
    evalLogic(logic: any, ctx: any, input: any): any;
    invalidate(targets: any): void;
}