import ts from 'typescript';
import { type FlowStepParseResult } from 'pipework-flow-parser';
export type FlowStepSiteShape = {
    readonly kind: 'function-declaration';
    readonly name: string;
} | {
    readonly kind: 'variable-declaration';
    readonly name: string;
} | {
    readonly kind: 'rejected';
    readonly reason: string;
};
export interface FlowStepSite {
    readonly statement: ts.Statement;
    readonly shape: FlowStepSiteShape;
    readonly annotation: Exclude<FlowStepParseResult, {
        kind: 'not-a-flow-step';
    }>;
    /** 1-based line where the statement begins. */
    readonly line: number;
}
/** Returns every `@flow_step` site in `sourceFile`, in source order. */
export declare function findFlowStepSites(sourceFile: ts.SourceFile): readonly FlowStepSite[];
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