MCP TypeScript SDK (V2)
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    • Determines which elicitation modes are supported based on declared client capabilities.

      According to the spec:

      • An empty elicitation capability object defaults to form mode support (backwards compatibility)
      • URL mode is only supported if explicitly declared

      Parameters

      • capabilities:
            | {
                form?: {
                    applyDefaults?: boolean;
                    [key: string]: | string
                    | number
                    | boolean
                    | {
                        [key: string]: string | number | boolean | { [x: string]: string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | ... 4 more ... | null)[] | null)[] | null)[] | null)[] | null; } | (string | ... 4 more ... | null)[] | null;
                    }
                    | (
                        string | number | boolean | { [x: string]: string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | ... 4 more ... | null)[] | null)[] | null)[] | null)[] | null; } | (string | ... 4 more ... | null)[] | null
                    )[]
                    | null;
                };
                url?: {
                    [key: string]: | string
                    | number
                    | boolean
                    | (
                        { [x: string]: string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | ... 4 more ... | null)[] | null)[] | null)[] | null)[] | null)[] | null; }
                    )
                    | (
                        string | number | boolean | { [x: string]: string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | ... 4 more ... | null)[] | null)[] | null)[] | null)[] | null; } | (string | ... 4 more ... | null)[] | null
                    )[]
                    | null;
                };
                [key: string]: | string
                | number
                | boolean
                | {
                    [key: string]: string | number | boolean | { [x: string]: string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | ... 4 more ... | null)[] | null)[] | null)[] | null)[] | null; } | (string | ... 4 more ... | null)[] | null;
                }
                | (
                    string | number | boolean | { [x: string]: string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | number | boolean | ... | (string | ... 4 more ... | null)[] | null)[] | null)[] | null)[] | null; } | (string | ... 4 more ... | null)[] | null
                )[]
                | null;
            }
            | undefined

        The client's elicitation capabilities

      Returns { supportsFormMode: boolean; supportsUrlMode: boolean }

      An object indicating which modes are supported