How to use the @blueprintjs/core.Classes.DIALOG_FOOTER function in @blueprintjs/core

private renderDialogRemoveResultTable = () => {
    const { usernames, response } = this.state.submitted!;
    const { deletedContestantProfilesMap } = response;
    return (
      <>
        <div>
          
        </div>
        <div>
          <div>
            <button>
          </button></div>
        </div>
      
    );
  };

theme="solarized_dark"
        onChange={(e: any) => onChange('lookupEditSpec', e)}
        fontSize={12}
        height="40vh"
        width="auto"
        showPrintMargin={false}
        showGutter={false}
        value={lookupSpec}
        editorProps={{ $blockScrolling: Infinity }}
        setOptions={{
          tabSize: 2,
        }}
        style={{}}
      />

      <div>
        <div>
          <button>
          </button><button> onSubmit()}
            disabled={disableSubmit}
          /&gt;
        </button></div>
      </div>
    
  );
});

<div style="{{">
              <p>{instruction}</p>
              {annoInput || null}
              <p style="{{">
                {errorMessage}
              </p>
            </div>
            {annoSelect || null}
          
          <div>
            <div>
              
                <button>Cancel</button>
              
              <button type="submit" disabled="{!text">
                {primaryButtonText}
              </button>
            </div>
          </div>

private resetTemplateOverlay = () => (
    <dialog title="Confirmation: Reset editor?">
      <div>
        
      </div>
      <div>
        
          {controlButton('Cancel', null, () =&gt; this.setState({ showResetTemplateOverlay: false }), {
            minimal: false
          })}
          {controlButton(
            'Confirm',
            null,
            () =&gt; {
              const assessment = retrieveLocalAssessment()!;
              this.setState({
                assessment,
                hasUnsavedChanges: false,
                showResetTemplateOverlay: false,
                originalMaxGrade: this.getMaxMarks('maxGrade'),
                originalMaxXp: this.getMaxMarks('maxXp')
              });</div></dialog>

theme="solarized_dark"
        className="spec-dialog-textarea"
        onChange={setSpec}
        fontSize={12}
        showPrintMargin={false}
        showGutter
        highlightActiveLine
        value={spec}
        width="100%"
        setOptions={{
          showLineNumbers: true,
          tabSize: 2,
        }}
        style={{}}
      />
      <div>
        <div>
          <button>
          </button><button disabled="{!validJson(spec)}">
        </button></div>
      </div>
    
  );
});

usePortal={true}
          isOpen={this.state.open}
        >
          <div style="{{">
            </div>

render(): JSX.Element {
    return (
      <dialog title="Page not found">
        <div>
          <p>The requested page may have been moved or deleted.</p>
          <p>
            Hacklily is a free online sheet-music editor and publishing tool.
            While you are here, why not give it a try?
          </p>
        </div>
        <div>
          <div>
            <button>
              Continue
            </button>
          </div>
        </div>
      </dialog>
    );
  }
}

<a href="dmca.html">DMCA info</a>, and{" "}
              <a href="privacy-statement.html">privacy statement</a>.
              <br>
              © Copyright{" "}
              <a rel="noopener noreferrer" href="https://nettek.ca">
                Joshua Netterfield
              </a>{" "}
              2017 - present. 🇨🇦
            <p></p>
          
        
        <div>
          <div>
            <button>Close</button>
            
              Start Tutorial
            
          </div>
        </div>
      
    );
  }
}

{this.filenameErrorMessage(filenameText)}
              <p></p>
            
            <div>
              <p>
                Your annotations are stored in this file:
                <code>
                  {filenameText}-{idhash}.csv
                </code>
              </p>
              <p style="{{">
                (We added a unique ID to your filename)
              </p>
            </div>
          
          <div>
            <div>
              
                <button>Cancel</button>
              
              <button type="submit" disabled="{!filenameText">
                Create annotations collection
              </button>
            </div>
          </div>

<select value="{_.head(" disabled="{inputDisabled}"> DuplicationStrategyMap[key] === duplication
                )
              )}
              fill
            /&gt;
          
        
        
          
          
        
      
    )
  }
</select>