import type * as t from '@babel/types';
export declare function pipelineBareFunction(callee: t.Expression): t.PipelineBareFunction;
export declare function isPipelineBareFunction(node: t.Node | null | undefined): node is t.PipelineBareFunction;
export declare function assertPipelineBareFunction(node: t.Node | null | undefined): asserts node is t.PipelineBareFunction;
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