import { GenMapping } from '@jridgewell/gen-mapping';
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import type { TraceMap } from '@jridgewell/trace-mapping';
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export declare type SourceMapSegmentObject = {
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column: number;
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line: number;
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name: string;
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source: string;
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content: string | null;
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} | {
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column: null;
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line: null;
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name: null;
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source: null;
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content: null;
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};
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export declare type OriginalSource = {
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map: TraceMap;
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sources: Sources[];
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source: string;
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content: string | null;
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};
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export declare type MapSource = {
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map: TraceMap;
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sources: Sources[];
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source: string;
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content: string | null;
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};
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export declare type Sources = OriginalSource | MapSource;
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/**
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* MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
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* (which may themselves be SourceMapTrees).
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*/
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export declare function MapSource(map: TraceMap, sources: Sources[]): MapSource;
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/**
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* A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
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* segment tracing ends at the `OriginalSource`.
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*/
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export declare function OriginalSource(source: string, content: string | null): OriginalSource;
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/**
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* traceMappings is only called on the root level SourceMapTree, and begins the process of
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* resolving each mapping in terms of the original source files.
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*/
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export declare function traceMappings(tree: MapSource): GenMapping;
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/**
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* originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
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* child SourceMapTrees, until we find the original source map.
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*/
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export declare function originalPositionFor(source: Sources, line: number, column: number, name: string): SourceMapSegmentObject | null;
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