import { AgentEvent } from './event_validation';
type FieldTransform = {
    [key: string]: (value: any) => any;
};
type TransformPredicate = (event: AgentEvent) => boolean;
export declare class EventTransformBuilder {
    private transforms;
    private filters;
    withMetadata(metadata: Record<string, any>): this;
    withData(path: string, value: any): this;
    where(predicate: TransformPredicate): this;
    inTimeRange(start: Date, end: Date): this;
    ofType(eventType: string): this;
    fromAgent(agentId: string): this;
    withRedaction(paths: string[]): this;
    withFieldTransform(transforms: FieldTransform): this;
    build(): (event: AgentEvent) => AgentEvent | null;
}
export {};