export interface SourceTarget {
    id: string;
    file: string;
    revision: string;
    tag: string;
    start: number;
    end: number;
    insertion: number;
    /** Only a single literal text child can be rewritten without interpreting code. */
    text?: {
        start: number;
        end: number;
        value: string;
    };
}
export declare function sourceRevision(source: string): string;
export declare function instrumentSource(file: string, source: string): {
    code: string;
    targets: SourceTarget[];
};
/** Returns a reviewable proposal. Applying files belongs to the change-set workflow. */
export declare function proposeLiteralText(source: string, target: SourceTarget, text: string, scope: 'instance' | 'definition', instances: number): {
    before: string;
    after: string;
    revision: string;
};
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