import type { INodeType, INodeTypeDescription, IExecuteFunctions, INodeExecutionData } from 'n8n-workflow';
import { getTableColumns, getMappingColumns, getSchemas, getTables } from './methods';
import { neonApiCredentialTest } from './methods/credentialTest';
export declare class Neon implements INodeType {
    description: INodeTypeDescription;
    methods: {
        loadOptions: {
            getTableColumns: typeof getTableColumns;
        };
        listSearch: {
            getSchemas: typeof getSchemas;
            getTables: typeof getTables;
        };
        resourceMapping: {
            getMappingColumns: typeof getMappingColumns;
        };
        credentialTest: {
            neonApiCredentialTest: typeof neonApiCredentialTest;
        };
    };
    execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]>;
}