import type { ColDef } from '@ag-grid-community/core';
import type { FieldMetadata } from '@genesislcap/foundation-comms';
/**
 * Event names for datasource-grid communication
 * These represent datasource operations, not grid-specific actions
 */
export declare const datasourceEventNames: {
    readonly initialize: "datasource-initialize";
    readonly ready: "datasource-ready";
    readonly dataLoaded: "datasource-data-loaded";
    readonly dataChanged: "datasource-data-changed";
    readonly dataCleared: "datasource-data-cleared";
    readonly schemaUpdated: "datasource-schema-updated";
    readonly loadingStarted: "datasource-loading-started";
    readonly loadingFinished: "datasource-loading-finished";
    readonly noDataAvailable: "datasource-no-data-available";
    readonly moreDataAvailable: "datasource-more-data-available";
    readonly filtersRestored: "datasource-filters-restored";
    readonly error: "datasource-error";
    readonly destroy: "datasource-destroy";
    readonly sizeChanged: "datasource-size-changed";
    readonly cacheFilterConfig: "cache-filter-config";
    readonly refreshServerSide: "refresh-server-side";
    readonly setServerSideDatasource: "set-server-side-datasource";
    readonly addGridCssClass: "add-grid-css-class";
    readonly removeGridCssClass: "remove-grid-css-class";
    readonly applyServerSideTransaction: "apply-server-side-transaction";
};
/**
 * Event detail for datasource initialization
 */
export interface InitializeEventDetail {
    keepColDefsOnClearRowData: boolean;
    options: {
        getRowId?: (params: any) => string;
        columnDefs?: ColDef[];
        [key: string]: any;
    };
}
/**
 * Event detail for data loading
 */
export interface DataLoadedEventDetail {
    data: any[];
    isInitialLoad?: boolean;
}
/**
 * Event detail for data changes
 */
export interface DataChangedEventDetail {
    changes: {
        add?: any[];
        remove?: any[];
        update?: any[];
        insertIndex?: number;
    };
}
/**
 * Event detail for schema updates
 */
export interface SchemaUpdatedEventDetail {
    schema: ColDef[];
    metadata?: FieldMetadata[];
}
/**
 * Event detail for more data availability
 */
export interface MoreDataAvailableEventDetail {
    hasMoreData: boolean;
    sourceRef: string;
}
/**
 * Event detail for size changes
 */
export interface SizeChangedEventDetail {
    value: number;
    oldValue: number;
}
/**
 * Event detail for data clearing
 */
export interface DataClearedEventDetail {
    includeSchema?: boolean;
}
/**
 * Event detail for error events
 */
export interface DatasourceErrorEventDetail {
    message: string;
    type: 'stream' | 'criteria' | 'connection' | 'unknown';
}
/**
 * Union type for all datasource event details
 */
export type DatasourceEventDetail = InitializeEventDetail | DataLoadedEventDetail | DataChangedEventDetail | SchemaUpdatedEventDetail | MoreDataAvailableEventDetail | SizeChangedEventDetail | DataClearedEventDetail | DatasourceErrorEventDetail;
/**
 * Generic datasource event interface
 */
export interface DatasourceEvent<T = DatasourceEventDetail> extends CustomEvent<T> {
    type: keyof typeof datasourceEventNames;
}
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