import { Pipeline, StepBuilder, StepSchema } from '../lib';
export interface FindStepsPredicate {
    (step: StepSchema | StepBuilder, index: number, steps: Array<StepSchema | StepBuilder>): boolean;
}
export interface FindStepsOptions {
    /**
     * Whether to search recursively within GroupSteps
     */
    recursive?: boolean | undefined;
}
/**
 * Finds all the steps that match the predicate within a pipeline
 */
export declare function findSteps(pipelineOrSteps: Pipeline | Iterable<StepSchema | StepBuilder>, predicate: FindStepsPredicate, { recursive }?: FindStepsOptions): ReadonlyArray<StepSchema | StepBuilder>;
/**
 * Finds the first step that matches the predicate within a pipeline
 */
export declare function findFirstStep(pipelineOrSteps: Pipeline | Iterable<StepSchema | StepBuilder>, predicate: FindStepsPredicate, options?: FindStepsOptions): StepSchema | StepBuilder | undefined;