Index: frontend/node_modules/yaml/parse-cst.d.ts
===================================================================
--- frontend/node_modules/yaml/parse-cst.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/yaml/parse-cst.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,191 @@
+import { Type, YAMLSyntaxError } from './util'
+
+export default function parseCST(str: string): ParsedCST
+
+export interface ParsedCST extends Array<CST.Document> {
+  setOrigRanges(): boolean
+}
+
+export namespace CST {
+  interface Range {
+    start: number
+    end: number
+    origStart?: number
+    origEnd?: number
+    isEmpty(): boolean
+  }
+
+  interface ParseContext {
+    /** Node starts at beginning of line */
+    atLineStart: boolean
+    /** true if currently in a collection context */
+    inCollection: boolean
+    /** true if currently in a flow context */
+    inFlow: boolean
+    /** Current level of indentation */
+    indent: number
+    /** Start of the current line */
+    lineStart: number
+    /** The parent of the node */
+    parent: Node
+    /** Source of the YAML document */
+    src: string
+  }
+
+  interface Node {
+    context: ParseContext | null
+    /** if not null, indicates a parser failure */
+    error: YAMLSyntaxError | null
+    /** span of context.src parsed into this node */
+    range: Range | null
+    valueRange: Range | null
+    /** anchors, tags and comments */
+    props: Range[]
+    /** specific node type */
+    type: Type
+    /** if non-null, overrides source value */
+    value: string | null
+
+    readonly anchor: string | null
+    readonly comment: string | null
+    readonly hasComment: boolean
+    readonly hasProps: boolean
+    readonly jsonLike: boolean
+    readonly rangeAsLinePos: null | {
+      start: { line: number; col: number }
+      end?: { line: number; col: number }
+    }
+    readonly rawValue: string | null
+    readonly tag:
+      | null
+      | { verbatim: string }
+      | { handle: string; suffix: string }
+    readonly valueRangeContainsNewline: boolean
+  }
+
+  interface Alias extends Node {
+    type: Type.ALIAS
+    /** contain the anchor without the * prefix */
+    readonly rawValue: string
+  }
+
+  type Scalar = BlockValue | PlainValue | QuoteValue
+
+  interface BlockValue extends Node {
+    type: Type.BLOCK_FOLDED | Type.BLOCK_LITERAL
+    chomping: 'CLIP' | 'KEEP' | 'STRIP'
+    blockIndent: number | null
+    header: Range
+    readonly strValue: string | null
+  }
+
+  interface BlockFolded extends BlockValue {
+    type: Type.BLOCK_FOLDED
+  }
+
+  interface BlockLiteral extends BlockValue {
+    type: Type.BLOCK_LITERAL
+  }
+
+  interface PlainValue extends Node {
+    type: Type.PLAIN
+    readonly strValue: string | null
+  }
+
+  interface QuoteValue extends Node {
+    type: Type.QUOTE_DOUBLE | Type.QUOTE_SINGLE
+    readonly strValue:
+      | null
+      | string
+      | { str: string; errors: YAMLSyntaxError[] }
+  }
+
+  interface QuoteDouble extends QuoteValue {
+    type: Type.QUOTE_DOUBLE
+  }
+
+  interface QuoteSingle extends QuoteValue {
+    type: Type.QUOTE_SINGLE
+  }
+
+  interface Comment extends Node {
+    type: Type.COMMENT
+    readonly anchor: null
+    readonly comment: string
+    readonly rawValue: null
+    readonly tag: null
+  }
+
+  interface BlankLine extends Node {
+    type: Type.BLANK_LINE
+  }
+
+  interface MapItem extends Node {
+    type: Type.MAP_KEY | Type.MAP_VALUE
+    node: ContentNode | null
+  }
+
+  interface MapKey extends MapItem {
+    type: Type.MAP_KEY
+  }
+
+  interface MapValue extends MapItem {
+    type: Type.MAP_VALUE
+  }
+
+  interface Map extends Node {
+    type: Type.MAP
+    /** implicit keys are not wrapped */
+    items: Array<BlankLine | Comment | Alias | Scalar | MapItem>
+  }
+
+  interface SeqItem extends Node {
+    type: Type.SEQ_ITEM
+    node: ContentNode | null
+  }
+
+  interface Seq extends Node {
+    type: Type.SEQ
+    items: Array<BlankLine | Comment | SeqItem>
+  }
+
+  interface FlowChar {
+    char: '{' | '}' | '[' | ']' | ',' | '?' | ':'
+    offset: number
+    origOffset?: number
+  }
+
+  interface FlowCollection extends Node {
+    type: Type.FLOW_MAP | Type.FLOW_SEQ
+    items: Array<
+      FlowChar | BlankLine | Comment | Alias | Scalar | FlowCollection
+    >
+  }
+
+  interface FlowMap extends FlowCollection {
+    type: Type.FLOW_MAP
+  }
+
+  interface FlowSeq extends FlowCollection {
+    type: Type.FLOW_SEQ
+  }
+
+  type ContentNode = Alias | Scalar | Map | Seq | FlowCollection
+
+  interface Directive extends Node {
+    type: Type.DIRECTIVE
+    name: string
+    readonly anchor: null
+    readonly parameters: string[]
+    readonly tag: null
+  }
+
+  interface Document extends Node {
+    type: Type.DOCUMENT
+    directives: Array<BlankLine | Comment | Directive>
+    contents: Array<BlankLine | Comment | ContentNode>
+    readonly anchor: null
+    readonly comment: null
+    readonly tag: null
+  }
+}