Function isInitializeRequest

Returns value is {
    method: "initialize";
    params: {
        _meta?: {
            "io.modelcontextprotocol/related-task"?: { taskId: string };
            progressToken?: string | number;
            [key: string]: unknown;
        };
        capabilities: {
            elicitation?: {
                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;
            };
            experimental?: {
                [key: string]: {
                    [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;
                };
            };
            extensions?: {
                [key: string]: {
                    [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;
                };
            };
            roots?: { listChanged?: boolean };
            sampling?: {
                context?: {
                    [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;
                };
                tools?: {
                    [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;
                };
            };
            tasks?: {
                cancel?: {
                    [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;
                };
                list?: {
                    [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;
                };
                requests?: {
                    elicitation?: {
                        create?: { [key: ...]: ... };
                        [key: string]: unknown;
                    };
                    sampling?: {
                        createMessage?: { [key: ...]: ... };
                        [key: string]: unknown;
                    };
                    [key: string]: unknown;
                };
                [key: string]: unknown;
            };
        };
        clientInfo: {
            description?: string;
            icons?: {
                mimeType?: string;
                sizes?: string[];
                src: string;
                theme?: "light"
                | "dark";
            }[];
            name: string;
            title?: string;
            version: string;
            websiteUrl?: string;
        };
        protocolVersion: string;
    };
}